Accept new baselines
This commit is contained in:
Anders Hejlsberg
parent
b6aff98fd7
commit
e9eb73bfe6
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@ -0,0 +1,40 @@
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//// [contravariantInferenceAndTypeGuard.ts]
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interface ListItem<TData> {
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prev: ListItem<TData> | null;
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next: ListItem<TData> | null;
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data: TData;
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}
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type IteratorFn<TData, TResult, TContext = List<TData>> = (this: TContext, item: TData, node: ListItem<TData>, list: List<TData>) => TResult;
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type FilterFn<TData, TResult extends TData, TContext = List<TData>> = (this: TContext, item: TData, node: ListItem<TData>, list: List<TData>) => item is TResult;
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declare class List<TData> {
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filter<TContext, TResult extends TData>(fn: FilterFn<TData, TResult, TContext>, context: TContext): List<TResult>;
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filter<TResult extends TData>(fn: FilterFn<TData, TResult>): List<TResult>;
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filter<TContext>(fn: IteratorFn<TData, boolean, TContext>, context: TContext): List<TData>;
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filter(fn: IteratorFn<TData, boolean>): List<TData>;
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}
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interface Test {
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a: string;
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}
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const list2 = new List<Test | null>();
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const filter1 = list2.filter(function(item, node, list): item is Test {
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this.b; // $ExpectType string
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item; // $ExpectType Test | null
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node; // $ExpectType ListItem<Test | null>
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list; // $ExpectType List<Test | null>
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return !!item;
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}, {b: 'c'});
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const x: List<Test> = filter1; // $ExpectType List<Test>
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//// [contravariantInferenceAndTypeGuard.js]
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"use strict";
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var list2 = new List();
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var filter1 = list2.filter(function (item, node, list) {
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this.b; // $ExpectType string
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item; // $ExpectType Test | null
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node; // $ExpectType ListItem<Test | null>
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list; // $ExpectType List<Test | null>
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return !!item;
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}, { b: 'c' });
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var x = filter1; // $ExpectType List<Test>
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@ -0,0 +1,157 @@
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=== tests/cases/compiler/contravariantInferenceAndTypeGuard.ts ===
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interface ListItem<TData> {
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>ListItem : Symbol(ListItem, Decl(contravariantInferenceAndTypeGuard.ts, 0, 0))
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>TData : Symbol(TData, Decl(contravariantInferenceAndTypeGuard.ts, 0, 19))
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prev: ListItem<TData> | null;
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>prev : Symbol(ListItem.prev, Decl(contravariantInferenceAndTypeGuard.ts, 0, 27))
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>ListItem : Symbol(ListItem, Decl(contravariantInferenceAndTypeGuard.ts, 0, 0))
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>TData : Symbol(TData, Decl(contravariantInferenceAndTypeGuard.ts, 0, 19))
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next: ListItem<TData> | null;
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>next : Symbol(ListItem.next, Decl(contravariantInferenceAndTypeGuard.ts, 1, 33))
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>ListItem : Symbol(ListItem, Decl(contravariantInferenceAndTypeGuard.ts, 0, 0))
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>TData : Symbol(TData, Decl(contravariantInferenceAndTypeGuard.ts, 0, 19))
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data: TData;
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>data : Symbol(ListItem.data, Decl(contravariantInferenceAndTypeGuard.ts, 2, 33))
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>TData : Symbol(TData, Decl(contravariantInferenceAndTypeGuard.ts, 0, 19))
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}
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type IteratorFn<TData, TResult, TContext = List<TData>> = (this: TContext, item: TData, node: ListItem<TData>, list: List<TData>) => TResult;
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>IteratorFn : Symbol(IteratorFn, Decl(contravariantInferenceAndTypeGuard.ts, 4, 1))
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>TData : Symbol(TData, Decl(contravariantInferenceAndTypeGuard.ts, 5, 16))
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>TResult : Symbol(TResult, Decl(contravariantInferenceAndTypeGuard.ts, 5, 22))
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>TContext : Symbol(TContext, Decl(contravariantInferenceAndTypeGuard.ts, 5, 31))
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>List : Symbol(List, Decl(contravariantInferenceAndTypeGuard.ts, 6, 161))
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>TData : Symbol(TData, Decl(contravariantInferenceAndTypeGuard.ts, 5, 16))
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>this : Symbol(this, Decl(contravariantInferenceAndTypeGuard.ts, 5, 59))
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>TContext : Symbol(TContext, Decl(contravariantInferenceAndTypeGuard.ts, 5, 31))
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>item : Symbol(item, Decl(contravariantInferenceAndTypeGuard.ts, 5, 74))
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>TData : Symbol(TData, Decl(contravariantInferenceAndTypeGuard.ts, 5, 16))
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>node : Symbol(node, Decl(contravariantInferenceAndTypeGuard.ts, 5, 87))
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>ListItem : Symbol(ListItem, Decl(contravariantInferenceAndTypeGuard.ts, 0, 0))
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>TData : Symbol(TData, Decl(contravariantInferenceAndTypeGuard.ts, 5, 16))
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>list : Symbol(list, Decl(contravariantInferenceAndTypeGuard.ts, 5, 110))
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>List : Symbol(List, Decl(contravariantInferenceAndTypeGuard.ts, 6, 161))
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>TData : Symbol(TData, Decl(contravariantInferenceAndTypeGuard.ts, 5, 16))
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>TResult : Symbol(TResult, Decl(contravariantInferenceAndTypeGuard.ts, 5, 22))
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type FilterFn<TData, TResult extends TData, TContext = List<TData>> = (this: TContext, item: TData, node: ListItem<TData>, list: List<TData>) => item is TResult;
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>FilterFn : Symbol(FilterFn, Decl(contravariantInferenceAndTypeGuard.ts, 5, 141))
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>TData : Symbol(TData, Decl(contravariantInferenceAndTypeGuard.ts, 6, 14))
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>TResult : Symbol(TResult, Decl(contravariantInferenceAndTypeGuard.ts, 6, 20))
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>TData : Symbol(TData, Decl(contravariantInferenceAndTypeGuard.ts, 6, 14))
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>TContext : Symbol(TContext, Decl(contravariantInferenceAndTypeGuard.ts, 6, 43))
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>List : Symbol(List, Decl(contravariantInferenceAndTypeGuard.ts, 6, 161))
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>TData : Symbol(TData, Decl(contravariantInferenceAndTypeGuard.ts, 6, 14))
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>this : Symbol(this, Decl(contravariantInferenceAndTypeGuard.ts, 6, 71))
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>TContext : Symbol(TContext, Decl(contravariantInferenceAndTypeGuard.ts, 6, 43))
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>item : Symbol(item, Decl(contravariantInferenceAndTypeGuard.ts, 6, 86))
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>TData : Symbol(TData, Decl(contravariantInferenceAndTypeGuard.ts, 6, 14))
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>node : Symbol(node, Decl(contravariantInferenceAndTypeGuard.ts, 6, 99))
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>ListItem : Symbol(ListItem, Decl(contravariantInferenceAndTypeGuard.ts, 0, 0))
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>TData : Symbol(TData, Decl(contravariantInferenceAndTypeGuard.ts, 6, 14))
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>list : Symbol(list, Decl(contravariantInferenceAndTypeGuard.ts, 6, 122))
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>List : Symbol(List, Decl(contravariantInferenceAndTypeGuard.ts, 6, 161))
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>TData : Symbol(TData, Decl(contravariantInferenceAndTypeGuard.ts, 6, 14))
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>item : Symbol(item, Decl(contravariantInferenceAndTypeGuard.ts, 6, 86))
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>TResult : Symbol(TResult, Decl(contravariantInferenceAndTypeGuard.ts, 6, 20))
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declare class List<TData> {
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>List : Symbol(List, Decl(contravariantInferenceAndTypeGuard.ts, 6, 161))
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>TData : Symbol(TData, Decl(contravariantInferenceAndTypeGuard.ts, 8, 19))
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filter<TContext, TResult extends TData>(fn: FilterFn<TData, TResult, TContext>, context: TContext): List<TResult>;
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>filter : Symbol(List.filter, Decl(contravariantInferenceAndTypeGuard.ts, 8, 27), Decl(contravariantInferenceAndTypeGuard.ts, 9, 118), Decl(contravariantInferenceAndTypeGuard.ts, 10, 79), Decl(contravariantInferenceAndTypeGuard.ts, 11, 95))
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>TContext : Symbol(TContext, Decl(contravariantInferenceAndTypeGuard.ts, 9, 11))
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>TResult : Symbol(TResult, Decl(contravariantInferenceAndTypeGuard.ts, 9, 20))
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>TData : Symbol(TData, Decl(contravariantInferenceAndTypeGuard.ts, 8, 19))
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>fn : Symbol(fn, Decl(contravariantInferenceAndTypeGuard.ts, 9, 44))
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>FilterFn : Symbol(FilterFn, Decl(contravariantInferenceAndTypeGuard.ts, 5, 141))
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>TData : Symbol(TData, Decl(contravariantInferenceAndTypeGuard.ts, 8, 19))
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>TResult : Symbol(TResult, Decl(contravariantInferenceAndTypeGuard.ts, 9, 20))
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>TContext : Symbol(TContext, Decl(contravariantInferenceAndTypeGuard.ts, 9, 11))
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>context : Symbol(context, Decl(contravariantInferenceAndTypeGuard.ts, 9, 83))
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>TContext : Symbol(TContext, Decl(contravariantInferenceAndTypeGuard.ts, 9, 11))
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>List : Symbol(List, Decl(contravariantInferenceAndTypeGuard.ts, 6, 161))
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>TResult : Symbol(TResult, Decl(contravariantInferenceAndTypeGuard.ts, 9, 20))
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filter<TResult extends TData>(fn: FilterFn<TData, TResult>): List<TResult>;
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>filter : Symbol(List.filter, Decl(contravariantInferenceAndTypeGuard.ts, 8, 27), Decl(contravariantInferenceAndTypeGuard.ts, 9, 118), Decl(contravariantInferenceAndTypeGuard.ts, 10, 79), Decl(contravariantInferenceAndTypeGuard.ts, 11, 95))
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>TResult : Symbol(TResult, Decl(contravariantInferenceAndTypeGuard.ts, 10, 11))
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>TData : Symbol(TData, Decl(contravariantInferenceAndTypeGuard.ts, 8, 19))
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>fn : Symbol(fn, Decl(contravariantInferenceAndTypeGuard.ts, 10, 34))
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>FilterFn : Symbol(FilterFn, Decl(contravariantInferenceAndTypeGuard.ts, 5, 141))
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>TData : Symbol(TData, Decl(contravariantInferenceAndTypeGuard.ts, 8, 19))
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>TResult : Symbol(TResult, Decl(contravariantInferenceAndTypeGuard.ts, 10, 11))
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>List : Symbol(List, Decl(contravariantInferenceAndTypeGuard.ts, 6, 161))
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>TResult : Symbol(TResult, Decl(contravariantInferenceAndTypeGuard.ts, 10, 11))
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filter<TContext>(fn: IteratorFn<TData, boolean, TContext>, context: TContext): List<TData>;
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>filter : Symbol(List.filter, Decl(contravariantInferenceAndTypeGuard.ts, 8, 27), Decl(contravariantInferenceAndTypeGuard.ts, 9, 118), Decl(contravariantInferenceAndTypeGuard.ts, 10, 79), Decl(contravariantInferenceAndTypeGuard.ts, 11, 95))
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>TContext : Symbol(TContext, Decl(contravariantInferenceAndTypeGuard.ts, 11, 11))
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>fn : Symbol(fn, Decl(contravariantInferenceAndTypeGuard.ts, 11, 21))
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>IteratorFn : Symbol(IteratorFn, Decl(contravariantInferenceAndTypeGuard.ts, 4, 1))
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>TData : Symbol(TData, Decl(contravariantInferenceAndTypeGuard.ts, 8, 19))
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>TContext : Symbol(TContext, Decl(contravariantInferenceAndTypeGuard.ts, 11, 11))
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>context : Symbol(context, Decl(contravariantInferenceAndTypeGuard.ts, 11, 62))
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>TContext : Symbol(TContext, Decl(contravariantInferenceAndTypeGuard.ts, 11, 11))
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>List : Symbol(List, Decl(contravariantInferenceAndTypeGuard.ts, 6, 161))
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>TData : Symbol(TData, Decl(contravariantInferenceAndTypeGuard.ts, 8, 19))
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filter(fn: IteratorFn<TData, boolean>): List<TData>;
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>filter : Symbol(List.filter, Decl(contravariantInferenceAndTypeGuard.ts, 8, 27), Decl(contravariantInferenceAndTypeGuard.ts, 9, 118), Decl(contravariantInferenceAndTypeGuard.ts, 10, 79), Decl(contravariantInferenceAndTypeGuard.ts, 11, 95))
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>fn : Symbol(fn, Decl(contravariantInferenceAndTypeGuard.ts, 12, 11))
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>IteratorFn : Symbol(IteratorFn, Decl(contravariantInferenceAndTypeGuard.ts, 4, 1))
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>TData : Symbol(TData, Decl(contravariantInferenceAndTypeGuard.ts, 8, 19))
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>List : Symbol(List, Decl(contravariantInferenceAndTypeGuard.ts, 6, 161))
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>TData : Symbol(TData, Decl(contravariantInferenceAndTypeGuard.ts, 8, 19))
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}
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interface Test {
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>Test : Symbol(Test, Decl(contravariantInferenceAndTypeGuard.ts, 13, 1))
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a: string;
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>a : Symbol(Test.a, Decl(contravariantInferenceAndTypeGuard.ts, 14, 16))
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}
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const list2 = new List<Test | null>();
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>list2 : Symbol(list2, Decl(contravariantInferenceAndTypeGuard.ts, 17, 5))
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>List : Symbol(List, Decl(contravariantInferenceAndTypeGuard.ts, 6, 161))
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>Test : Symbol(Test, Decl(contravariantInferenceAndTypeGuard.ts, 13, 1))
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const filter1 = list2.filter(function(item, node, list): item is Test {
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>filter1 : Symbol(filter1, Decl(contravariantInferenceAndTypeGuard.ts, 18, 5))
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>list2.filter : Symbol(List.filter, Decl(contravariantInferenceAndTypeGuard.ts, 8, 27), Decl(contravariantInferenceAndTypeGuard.ts, 9, 118), Decl(contravariantInferenceAndTypeGuard.ts, 10, 79), Decl(contravariantInferenceAndTypeGuard.ts, 11, 95))
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>list2 : Symbol(list2, Decl(contravariantInferenceAndTypeGuard.ts, 17, 5))
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>filter : Symbol(List.filter, Decl(contravariantInferenceAndTypeGuard.ts, 8, 27), Decl(contravariantInferenceAndTypeGuard.ts, 9, 118), Decl(contravariantInferenceAndTypeGuard.ts, 10, 79), Decl(contravariantInferenceAndTypeGuard.ts, 11, 95))
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>item : Symbol(item, Decl(contravariantInferenceAndTypeGuard.ts, 18, 38))
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>node : Symbol(node, Decl(contravariantInferenceAndTypeGuard.ts, 18, 43))
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>list : Symbol(list, Decl(contravariantInferenceAndTypeGuard.ts, 18, 49))
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>item : Symbol(item, Decl(contravariantInferenceAndTypeGuard.ts, 18, 38))
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>Test : Symbol(Test, Decl(contravariantInferenceAndTypeGuard.ts, 13, 1))
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this.b; // $ExpectType string
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>this.b : Symbol(b, Decl(contravariantInferenceAndTypeGuard.ts, 24, 4))
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>this : Symbol(this, Decl(contravariantInferenceAndTypeGuard.ts, 6, 71))
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>b : Symbol(b, Decl(contravariantInferenceAndTypeGuard.ts, 24, 4))
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item; // $ExpectType Test | null
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>item : Symbol(item, Decl(contravariantInferenceAndTypeGuard.ts, 18, 38))
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node; // $ExpectType ListItem<Test | null>
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>node : Symbol(node, Decl(contravariantInferenceAndTypeGuard.ts, 18, 43))
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list; // $ExpectType List<Test | null>
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>list : Symbol(list, Decl(contravariantInferenceAndTypeGuard.ts, 18, 49))
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return !!item;
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>item : Symbol(item, Decl(contravariantInferenceAndTypeGuard.ts, 18, 38))
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}, {b: 'c'});
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>b : Symbol(b, Decl(contravariantInferenceAndTypeGuard.ts, 24, 4))
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const x: List<Test> = filter1; // $ExpectType List<Test>
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>x : Symbol(x, Decl(contravariantInferenceAndTypeGuard.ts, 25, 5))
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>List : Symbol(List, Decl(contravariantInferenceAndTypeGuard.ts, 6, 161))
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>Test : Symbol(Test, Decl(contravariantInferenceAndTypeGuard.ts, 13, 1))
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>filter1 : Symbol(filter1, Decl(contravariantInferenceAndTypeGuard.ts, 18, 5))
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@ -0,0 +1,97 @@
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=== tests/cases/compiler/contravariantInferenceAndTypeGuard.ts ===
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interface ListItem<TData> {
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prev: ListItem<TData> | null;
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>prev : ListItem<TData> | null
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>null : null
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next: ListItem<TData> | null;
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>next : ListItem<TData> | null
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>null : null
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data: TData;
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>data : TData
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}
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type IteratorFn<TData, TResult, TContext = List<TData>> = (this: TContext, item: TData, node: ListItem<TData>, list: List<TData>) => TResult;
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>IteratorFn : IteratorFn<TData, TResult, TContext>
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>this : TContext
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>item : TData
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>node : ListItem<TData>
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>list : List<TData>
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type FilterFn<TData, TResult extends TData, TContext = List<TData>> = (this: TContext, item: TData, node: ListItem<TData>, list: List<TData>) => item is TResult;
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>FilterFn : FilterFn<TData, TResult, TContext>
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>this : TContext
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>item : TData
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>node : ListItem<TData>
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>list : List<TData>
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declare class List<TData> {
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>List : List<TData>
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filter<TContext, TResult extends TData>(fn: FilterFn<TData, TResult, TContext>, context: TContext): List<TResult>;
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>filter : { <TContext, TResult extends TData>(fn: FilterFn<TData, TResult, TContext>, context: TContext): List<TResult>; <TResult extends TData>(fn: FilterFn<TData, TResult, List<TData>>): List<TResult>; <TContext>(fn: IteratorFn<TData, boolean, TContext>, context: TContext): List<TData>; (fn: IteratorFn<TData, boolean, List<TData>>): List<TData>; }
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>fn : FilterFn<TData, TResult, TContext>
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>context : TContext
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filter<TResult extends TData>(fn: FilterFn<TData, TResult>): List<TResult>;
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>filter : { <TContext, TResult extends TData>(fn: FilterFn<TData, TResult, TContext>, context: TContext): List<TResult>; <TResult extends TData>(fn: FilterFn<TData, TResult, List<TData>>): List<TResult>; <TContext>(fn: IteratorFn<TData, boolean, TContext>, context: TContext): List<TData>; (fn: IteratorFn<TData, boolean, List<TData>>): List<TData>; }
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>fn : FilterFn<TData, TResult, List<TData>>
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filter<TContext>(fn: IteratorFn<TData, boolean, TContext>, context: TContext): List<TData>;
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>filter : { <TContext, TResult extends TData>(fn: FilterFn<TData, TResult, TContext>, context: TContext): List<TResult>; <TResult extends TData>(fn: FilterFn<TData, TResult, List<TData>>): List<TResult>; <TContext>(fn: IteratorFn<TData, boolean, TContext>, context: TContext): List<TData>; (fn: IteratorFn<TData, boolean, List<TData>>): List<TData>; }
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>fn : IteratorFn<TData, boolean, TContext>
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>context : TContext
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filter(fn: IteratorFn<TData, boolean>): List<TData>;
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>filter : { <TContext, TResult extends TData>(fn: FilterFn<TData, TResult, TContext>, context: TContext): List<TResult>; <TResult extends TData>(fn: FilterFn<TData, TResult, List<TData>>): List<TResult>; <TContext>(fn: IteratorFn<TData, boolean, TContext>, context: TContext): List<TData>; (fn: IteratorFn<TData, boolean, List<TData>>): List<TData>; }
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>fn : IteratorFn<TData, boolean, List<TData>>
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}
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interface Test {
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a: string;
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>a : string
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}
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const list2 = new List<Test | null>();
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>list2 : List<Test | null>
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>new List<Test | null>() : List<Test | null>
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>List : typeof List
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>null : null
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const filter1 = list2.filter(function(item, node, list): item is Test {
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>filter1 : List<Test>
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>list2.filter(function(item, node, list): item is Test { this.b; // $ExpectType string item; // $ExpectType Test | null node; // $ExpectType ListItem<Test | null> list; // $ExpectType List<Test | null> return !!item;}, {b: 'c'}) : List<Test>
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>list2.filter : { <TContext, TResult extends Test | null>(fn: FilterFn<Test | null, TResult, TContext>, context: TContext): List<TResult>; <TResult extends Test | null>(fn: FilterFn<Test | null, TResult, List<Test | null>>): List<TResult>; <TContext>(fn: IteratorFn<Test | null, boolean, TContext>, context: TContext): List<Test | null>; (fn: IteratorFn<Test | null, boolean, List<Test | null>>): List<Test | null>; }
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>list2 : List<Test | null>
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>filter : { <TContext, TResult extends Test | null>(fn: FilterFn<Test | null, TResult, TContext>, context: TContext): List<TResult>; <TResult extends Test | null>(fn: FilterFn<Test | null, TResult, List<Test | null>>): List<TResult>; <TContext>(fn: IteratorFn<Test | null, boolean, TContext>, context: TContext): List<Test | null>; (fn: IteratorFn<Test | null, boolean, List<Test | null>>): List<Test | null>; }
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>function(item, node, list): item is Test { this.b; // $ExpectType string item; // $ExpectType Test | null node; // $ExpectType ListItem<Test | null> list; // $ExpectType List<Test | null> return !!item;} : (this: { b: string; }, item: Test | null, node: ListItem<Test | null>, list: List<Test | null>) => item is Test
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>item : Test | null
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>node : ListItem<Test | null>
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>list : List<Test | null>
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this.b; // $ExpectType string
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>this.b : string
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>this : { b: string; }
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>b : string
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item; // $ExpectType Test | null
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>item : Test | null
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node; // $ExpectType ListItem<Test | null>
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>node : ListItem<Test | null>
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list; // $ExpectType List<Test | null>
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>list : List<Test | null>
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||||
|
||||
return !!item;
|
||||
>!!item : boolean
|
||||
>!item : boolean
|
||||
>item : Test | null
|
||||
|
||||
}, {b: 'c'});
|
||||
>{b: 'c'} : { b: string; }
|
||||
>b : string
|
||||
>'c' : "c"
|
||||
|
||||
const x: List<Test> = filter1; // $ExpectType List<Test>
|
||||
>x : List<Test>
|
||||
>filter1 : List<Test>
|
||||
|
||||
Loading…
Reference in a new issue