TypeScript/tests/cases/fourslash/arrayTypeMismatchIncrementalTypeCheck.ts
2014-07-29 12:17:44 -07:00

32 lines
857 B
TypeScript

/// <reference path="../fourslash.ts" />
//// interface Iterator<T> {
//// (value: T, index: any): U;
//// }
////
//// interface WrappedArray<T> {
//// map<U>(iterator: Iterator<T, U>): U[];
//// }
////
//// interface Underscore {
//// <T>(list: T[]): WrappedArray<T>;
//// map<T, U>(list: T[], iterator: Iterator<T, U>, context?: any): U[];
//// }
////
//// declare var _: Underscore;
////
//// var a: string[];
//// var b = _.map(a, x => x.length); // Type any[], should be number[]
//// var c = _(a).map();
//// var d = a.map(x => x.length);
//// var bb = _.map(aa, x => x.length);
//// var cc = _(aa).map(x => x.length); // Error, could not select overload
//// var dd = aa.map(x => x.length); // Error, could not select overload
////
////
////
////
edit.disableFormatting();
diagnostics.validateTypesAtPositions(364);