Merge pull request #32362 from microsoft/fix32230
Fix type parameter inference cache invalidation logic
This commit is contained in:
commit
303297aa27
5 changed files with 199 additions and 4 deletions
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@ -15266,8 +15266,8 @@ namespace ts {
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const inference = inferences[i];
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if (t === inference.typeParameter) {
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if (fix && !inference.isFixed) {
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clearCachedInferences(inferences);
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inference.isFixed = true;
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inference.inferredType = undefined;
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}
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return getInferredType(context, i);
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}
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@ -15275,6 +15275,14 @@ namespace ts {
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return t;
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}
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function clearCachedInferences(inferences: InferenceInfo[]) {
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for (const inference of inferences) {
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if (!inference.isFixed) {
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inference.inferredType = undefined;
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}
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}
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}
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function createInferenceInfo(typeParameter: TypeParameter): InferenceInfo {
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return {
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typeParameter,
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@ -15554,17 +15562,17 @@ namespace ts {
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if (contravariant && !bivariant) {
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if (!contains(inference.contraCandidates, candidate)) {
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inference.contraCandidates = append(inference.contraCandidates, candidate);
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inference.inferredType = undefined;
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clearCachedInferences(inferences);
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}
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}
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else if (!contains(inference.candidates, candidate)) {
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inference.candidates = append(inference.candidates, candidate);
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inference.inferredType = undefined;
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clearCachedInferences(inferences);
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}
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}
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if (!(priority & InferencePriority.ReturnType) && target.flags & TypeFlags.TypeParameter && inference.topLevel && !isTypeParameterAtTopLevel(originalTarget, <TypeParameter>target)) {
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inference.topLevel = false;
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inference.inferredType = undefined;
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clearCachedInferences(inferences);
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}
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}
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return;
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37
tests/baselines/reference/typeInferenceCacheInvalidation.js
Normal file
37
tests/baselines/reference/typeInferenceCacheInvalidation.js
Normal file
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@ -0,0 +1,37 @@
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//// [typeInferenceCacheInvalidation.ts]
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// Repro from #32230
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type Callback<TFoo, TBar> = (foo: TFoo, bar: TBar) => any
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declare function example<TFoo, TBar, TCallback extends Callback<TFoo, TBar>>(
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foo: TFoo,
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callback: TCallback,
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bar: TBar,
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): TCallback
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example(42, (foo, bar) => ({
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t: () => {
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let s: string = bar;
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}
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}), '42');
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example(42, (foo, bar) => ({
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t() {
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let s: string = bar;
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}
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}), '42');
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//// [typeInferenceCacheInvalidation.js]
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"use strict";
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// Repro from #32230
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example(42, function (foo, bar) { return ({
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t: function () {
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var s = bar;
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}
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}); }, '42');
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example(42, function (foo, bar) { return ({
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t: function () {
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var s = bar;
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}
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}); }, '42');
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@ -0,0 +1,64 @@
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=== tests/cases/compiler/typeInferenceCacheInvalidation.ts ===
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// Repro from #32230
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type Callback<TFoo, TBar> = (foo: TFoo, bar: TBar) => any
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>Callback : Symbol(Callback, Decl(typeInferenceCacheInvalidation.ts, 0, 0))
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>TFoo : Symbol(TFoo, Decl(typeInferenceCacheInvalidation.ts, 2, 14))
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>TBar : Symbol(TBar, Decl(typeInferenceCacheInvalidation.ts, 2, 19))
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>foo : Symbol(foo, Decl(typeInferenceCacheInvalidation.ts, 2, 29))
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>TFoo : Symbol(TFoo, Decl(typeInferenceCacheInvalidation.ts, 2, 14))
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>bar : Symbol(bar, Decl(typeInferenceCacheInvalidation.ts, 2, 39))
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>TBar : Symbol(TBar, Decl(typeInferenceCacheInvalidation.ts, 2, 19))
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declare function example<TFoo, TBar, TCallback extends Callback<TFoo, TBar>>(
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>example : Symbol(example, Decl(typeInferenceCacheInvalidation.ts, 2, 57))
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>TFoo : Symbol(TFoo, Decl(typeInferenceCacheInvalidation.ts, 4, 25))
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>TBar : Symbol(TBar, Decl(typeInferenceCacheInvalidation.ts, 4, 30))
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>TCallback : Symbol(TCallback, Decl(typeInferenceCacheInvalidation.ts, 4, 36))
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>Callback : Symbol(Callback, Decl(typeInferenceCacheInvalidation.ts, 0, 0))
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>TFoo : Symbol(TFoo, Decl(typeInferenceCacheInvalidation.ts, 4, 25))
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>TBar : Symbol(TBar, Decl(typeInferenceCacheInvalidation.ts, 4, 30))
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foo: TFoo,
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>foo : Symbol(foo, Decl(typeInferenceCacheInvalidation.ts, 4, 77))
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>TFoo : Symbol(TFoo, Decl(typeInferenceCacheInvalidation.ts, 4, 25))
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callback: TCallback,
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>callback : Symbol(callback, Decl(typeInferenceCacheInvalidation.ts, 5, 14))
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>TCallback : Symbol(TCallback, Decl(typeInferenceCacheInvalidation.ts, 4, 36))
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bar: TBar,
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>bar : Symbol(bar, Decl(typeInferenceCacheInvalidation.ts, 6, 24))
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>TBar : Symbol(TBar, Decl(typeInferenceCacheInvalidation.ts, 4, 30))
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): TCallback
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>TCallback : Symbol(TCallback, Decl(typeInferenceCacheInvalidation.ts, 4, 36))
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example(42, (foo, bar) => ({
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>example : Symbol(example, Decl(typeInferenceCacheInvalidation.ts, 2, 57))
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>foo : Symbol(foo, Decl(typeInferenceCacheInvalidation.ts, 10, 13))
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>bar : Symbol(bar, Decl(typeInferenceCacheInvalidation.ts, 10, 17))
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t: () => {
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>t : Symbol(t, Decl(typeInferenceCacheInvalidation.ts, 10, 28))
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let s: string = bar;
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>s : Symbol(s, Decl(typeInferenceCacheInvalidation.ts, 12, 11))
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>bar : Symbol(bar, Decl(typeInferenceCacheInvalidation.ts, 10, 17))
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}
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}), '42');
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example(42, (foo, bar) => ({
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>example : Symbol(example, Decl(typeInferenceCacheInvalidation.ts, 2, 57))
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>foo : Symbol(foo, Decl(typeInferenceCacheInvalidation.ts, 16, 13))
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>bar : Symbol(bar, Decl(typeInferenceCacheInvalidation.ts, 16, 17))
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t() {
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>t : Symbol(t, Decl(typeInferenceCacheInvalidation.ts, 16, 28))
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let s: string = bar;
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>s : Symbol(s, Decl(typeInferenceCacheInvalidation.ts, 18, 11))
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>bar : Symbol(bar, Decl(typeInferenceCacheInvalidation.ts, 16, 17))
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}
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}), '42');
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@ -0,0 +1,63 @@
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=== tests/cases/compiler/typeInferenceCacheInvalidation.ts ===
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// Repro from #32230
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type Callback<TFoo, TBar> = (foo: TFoo, bar: TBar) => any
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>Callback : Callback<TFoo, TBar>
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>foo : TFoo
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>bar : TBar
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declare function example<TFoo, TBar, TCallback extends Callback<TFoo, TBar>>(
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>example : <TFoo, TBar, TCallback extends Callback<TFoo, TBar>>(foo: TFoo, callback: TCallback, bar: TBar) => TCallback
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foo: TFoo,
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>foo : TFoo
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callback: TCallback,
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>callback : TCallback
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bar: TBar,
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>bar : TBar
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): TCallback
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example(42, (foo, bar) => ({
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>example(42, (foo, bar) => ({ t: () => { let s: string = bar; }}), '42') : (foo: number, bar: string) => { t: () => void; }
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>example : <TFoo, TBar, TCallback extends Callback<TFoo, TBar>>(foo: TFoo, callback: TCallback, bar: TBar) => TCallback
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>42 : 42
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>(foo, bar) => ({ t: () => { let s: string = bar; }}) : (foo: number, bar: string) => { t: () => void; }
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>foo : number
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>bar : string
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>({ t: () => { let s: string = bar; }}) : { t: () => void; }
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>{ t: () => { let s: string = bar; }} : { t: () => void; }
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t: () => {
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>t : () => void
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>() => { let s: string = bar; } : () => void
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let s: string = bar;
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>s : string
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>bar : string
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}
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}), '42');
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>'42' : "42"
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example(42, (foo, bar) => ({
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>example(42, (foo, bar) => ({ t() { let s: string = bar; }}), '42') : (foo: number, bar: string) => { t(): void; }
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>example : <TFoo, TBar, TCallback extends Callback<TFoo, TBar>>(foo: TFoo, callback: TCallback, bar: TBar) => TCallback
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>42 : 42
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>(foo, bar) => ({ t() { let s: string = bar; }}) : (foo: number, bar: string) => { t(): void; }
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>foo : number
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>bar : string
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>({ t() { let s: string = bar; }}) : { t(): void; }
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>{ t() { let s: string = bar; }} : { t(): void; }
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t() {
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>t : () => void
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let s: string = bar;
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>s : string
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>bar : string
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}
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}), '42');
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>'42' : "42"
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23
tests/cases/compiler/typeInferenceCacheInvalidation.ts
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23
tests/cases/compiler/typeInferenceCacheInvalidation.ts
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// @strict: true
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// Repro from #32230
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type Callback<TFoo, TBar> = (foo: TFoo, bar: TBar) => any
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declare function example<TFoo, TBar, TCallback extends Callback<TFoo, TBar>>(
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foo: TFoo,
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callback: TCallback,
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bar: TBar,
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): TCallback
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example(42, (foo, bar) => ({
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t: () => {
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let s: string = bar;
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}
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}), '42');
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example(42, (foo, bar) => ({
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t() {
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let s: string = bar;
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}
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}), '42');
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