File: quickInfoGenericCombinators2.ts

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/// <reference path='fourslash.ts'/>

////interface Collection<T, U> {
////   length: number;
////   add(x: T, y: U): void ;
////   remove(x: T, y: U): boolean;
////}
////
////interface Combinators {
////   map<T, U, V>(c: Collection<T, U>, f: (x: T, y: U) => V): Collection<T, V>;
////   map<T, U>(c: Collection<T, U>, f: (x: T, y: U) => any): Collection<any, any>;
////}
////
////class A {
////   foo<T>(): T { return null; }
////}
////
////class B<T> {
////   foo(x: T): T { return null; }
////}
////
////var c1: Collection<any, any>;
////var c2: Collection<number, string>;
////var c3: Collection<Collection<number, number>, string>;
////var c4: Collection<number, A>;
////var c5: Collection<number, B<any>>;
////
////var _: Combinators;
////// param help on open paren for arg 2 should show 'number' not T or 'any'
////// x should be contextually typed to number
////var rf1 = (x: number, y: string) => { return x.toFixed() };
////var rf2 = (x: Collection<number, number>, y: string) => { return x.length };
////var rf3 = (x: number, y: A) => { return y.foo() };
////
////var /*9*/r1a  = _.map/*1c*/(c2, (/*1a*/x, /*1b*/y) => { return x.toFixed() });
////var /*10*/r1b = _.map(c2, rf1);
////
////var /*11*/r2a = _.map(c3, (/*2a*/x, /*2b*/y) => { return x.length });
////var /*12*/r2b = _.map(c3, rf2);
////
////var /*13*/r3a = _.map(c4, (/*3a*/x, /*3b*/y) => { return y.foo() });
////var /*14*/r3b = _.map(c4, rf3);
////
////var /*15*/r4a = _.map(c5, (/*4a*/x, /*4b*/y) => { return y.foo() });
////
////var /*17*/r5a = _.map<number, string, Date>(c2, /*17error1*/(/*5a*/x, /*5b*/y) => { return x.toFixed() }/*17error2*/); 
////var rf1b = (x: number, y: string) => { return new Date() };
////var /*18*/r5b = _.map<number, string, Date>(c2, rf1b);
////
////var /*19*/r6a = _.map<Collection<number, number>, string, Date>(c3, (/*6a*/x,/*6b*/y) => { return new Date(); });
////var rf2b = (x: Collection<number, number>, y: string) => { return new Date(); };
////var /*20*/r6b = _.map<Collection<number, number>, string, Date>(c3, rf2b);
////
////var /*21*/r7a = _.map<number, A, string>(c4, (/*7a*/x,/*7b*/y) => { return y.foo() });
////var /*22*/r7b = _.map<number, A, string>(c4, /*22error1*/rf3/*22error2*/);
////
////var /*23*/r8a = _.map<number, /*error1*/B/*error2*/, string>(c5, (/*8a*/x,/*8b*/y) => { return y.foo() }); 

verify.quickInfos({
    "2a": "(parameter) x: Collection<number, number>",
    "2b": "(parameter) y: string",
    "3a": "(parameter) x: number",
    "3b": "(parameter) y: A",
    "4a": "(parameter) x: number",
    "4b": "(parameter) y: B<any>",
    "5a": "(parameter) x: number",
    "5b": "(parameter) y: string",
    "6a": "(parameter) x: Collection<number, number>",
    "6b": "(parameter) y: string",
    "7a": "(parameter) x: number",
    "7b": "(parameter) y: A",
    "8a": "(parameter) x: number",
    "8b": "(parameter) y: any", // Specialized to any because no type argument was specified
    9: "var r1a: Collection<number, string>",
    10: "var r1b: Collection<number, string>",
    11: "var r2a: Collection<Collection<number, number>, number>",
    12: "var r2b: Collection<Collection<number, number>, number>",
    13: "var r3a: Collection<number, unknown>",
    14: "var r3b: Collection<number, unknown>",
    15: "var r4a: Collection<number, any>",
    17: "var r5a: Collection<number, Date>",
    18: "var r5b: Collection<number, Date>",
    19: "var r6a: Collection<Collection<number, number>, Date>",
    20: "var r6b: Collection<Collection<number, number>, Date>",
    21: "var r7a: Collection<number, string>",
    22: "var r7b: Collection<number, string>",
    23: "var r8a: Collection<number, string>"
});

verify.errorExistsBetweenMarkers('error1', 'error2');
verify.errorExistsBetweenMarkers('17error1', '17error2');
verify.errorExistsBetweenMarkers('22error1', '22error2');