=== tests/cases/compiler/genericTypeParameterEquivalence2.ts ===
// compose :: (b->c) -> (a->b) -> (a->c)
function compose(f: (b: B) => C, g: (a:A) => B): (a:A) => C {
>compose : (f: (b: B) => C, g: (a: A) => B) => (a: A) => C
>A : A
>B : B
>C : C
>f : (b: B) => C
>b : B
>B : B
>C : C
>g : (a: A) => B
>a : A
>A : A
>B : B
>a : A
>A : A
>C : C
return function (a:A) : C {
>function (a:A) : C { return f(g.apply(null, a)); } : (a: A) => C
>a : A
>A : A
>C : C
return f(g.apply(null, a));
>f(g.apply(null, a)) : C
>f : (b: B) => C
>g.apply(null, a) : any
>g.apply : (thisArg: any, argArray?: any) => any
>g : (a: A) => B
>apply : (thisArg: any, argArray?: any) => any
>a : A
};
}
// forEach :: [a] -> (a -> ()) -> ()
function forEach(list: A[], f: (a: A, n?: number) => void ): void {
>forEach : (list: A[], f: (a: A, n?: number) => void) => void
>A : A
>list : A[]
>A : A
>f : (a: A, n?: number) => void
>a : A
>A : A
>n : number
for (var i = 0; i < list.length; ++i) {
>i : number
>i < list.length : boolean
>i : number
>list.length : number
>list : A[]
>length : number
>++i : number
>i : number
f(list[i], i);
>f(list[i], i) : void
>f : (a: A, n?: number) => void
>list[i] : A
>list : A[]
>i : number
>i : number
}
}
// filter :: (a->bool) -> [a] -> [a]
function filter(f: (a: A) => boolean, ar: A[]): A[] {
>filter : (f: (a: A) => boolean, ar: A[]) => A[]
>A : A
>f : (a: A) => boolean
>a : A
>A : A
>ar : A[]
>A : A
>A : A
var ret = [];
>ret : any[]
>[] : undefined[]
forEach(ar, (el) => {
>forEach(ar, (el) => { if (f(el)) { ret.push(el); } } ) : void
>forEach : (list: A[], f: (a: A, n?: number) => void) => void
>ar : A[]
>(el) => { if (f(el)) { ret.push(el); } } : (el: A) => void
>el : A
if (f(el)) {
>f(el) : boolean
>f : (a: A) => boolean
>el : A
ret.push(el);
>ret.push(el) : number
>ret.push : (...items: any[]) => number
>ret : any[]
>push : (...items: any[]) => number
>el : A
}
} );
return ret;
>ret : any[]
}
// length :: [a] -> Num
function length2(ar: A[]): number {
>length2 : (ar: A[]) => number
>A : A
>ar : A[]
>A : A
return ar.length;
>ar.length : number
>ar : A[]
>length : number
}
// curry1 :: ((a,b)->c) -> (a->(b->c))
function curry1(f: (a: A, b: B) => C): (ax: A) => (bx: B) => C {
>curry1 : (f: (a: A, b: B) => C) => (ax: A) => (bx: B) => C
>A : A
>B : B
>C : C
>f : (a: A, b: B) => C
>a : A
>A : A
>b : B
>B : B
>C : C
>ax : A
>A : A
>bx : B
>B : B
>C : C
return function (ay: A) {
>function (ay: A) { return function (by: B) { return f(ay, by); }; } : (ay: A) => (by: B) => C
>ay : A
>A : A
return function (by: B) {
>function (by: B) { return f(ay, by); } : (by: B) => C
>by : B
>B : B
return f(ay, by);
>f(ay, by) : C
>f : (a: A, b: B) => C
>ay : A
>by : B
};
};
}
var cfilter = curry1(filter);
>cfilter : (ax: {}) => (bx: {}) => {}[]
>curry1(filter) : (ax: {}) => (bx: {}) => {}[]
>curry1 : (f: (a: A, b: B) => C) => (ax: A) => (bx: B) => C
>filter : (f: (a: A) => boolean, ar: A[]) => A[]
// compose :: (b->c) -> (a->b) -> (a->c)
// length :: [a] -> Num
// cfilter :: {} -> {} -> [{}]
// pred :: a -> Bool
// cfilter(pred) :: {} -> [{}]
// length2 :: [a] -> Num
// countWhere :: (a -> Bool) -> [a] -> Num
function countWhere_1(pred: (a: A) => boolean): (a: A[]) => number {
>countWhere_1 : (pred: (a: A) => boolean) => (a: A[]) => number
>A : A
>pred : (a: A) => boolean
>a : A
>A : A
>a : A[]
>A : A
return compose(length2, cfilter(pred));
>compose(length2, cfilter(pred)) : (a: {}) => number
>compose : (f: (b: B) => C, g: (a: A) => B) => (a: A) => C
>length2 : (ar: A[]) => number
>cfilter(pred) : (bx: {}) => {}[]
>cfilter : (ax: {}) => (bx: {}) => {}[]
>pred : (a: A) => boolean
}
function countWhere_2(pred: (a: A) => boolean): (a: A[]) => number {
>countWhere_2 : (pred: (a: A) => boolean) => (a: A[]) => number
>A : A
>pred : (a: A) => boolean
>a : A
>A : A
>a : A[]
>A : A
var where = cfilter(pred);
>where : (bx: {}) => {}[]
>cfilter(pred) : (bx: {}) => {}[]
>cfilter : (ax: {}) => (bx: {}) => {}[]
>pred : (a: A) => boolean
return compose(length2, where);
>compose(length2, where) : (a: {}) => number
>compose : (f: (b: B) => C, g: (a: A) => B) => (a: A) => C
>length2 : (ar: A[]) => number
>where : (bx: {}) => {}[]
}