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//// [genericsAndHigherOrderFunctions.ts]
// no errors expected
var combine: <T, S>(f: (_: T) => S) =>
<U>(g: (_: U) => T) =>
(x: U) => S
= <T, S>(f: (_: T) => S) =>
<U>(g: (_: U) => T) =>
(x: U) => f(g(x))
var foo: <K, N>(g: (x: K) => N) =>
(h: <M>(_: (_: K) => (_: M) => M) => (_: M) => M) =>
<R>(f: (_: N) => (_: R) => R) => (_: R) => R
= <K, N>(g: (x: K) => N) =>
(h: <M>(_: (_: K) => (_: M) => M) => (_: M) => M) =>
<R>(f: (_: N) => (_: R) => R) => h(combine(f)(g))
//// [genericsAndHigherOrderFunctions.js]
// no errors expected
var combine = function (f) {
return function (g) {
return function (x) { return f(g(x)); };
};
};
var foo = function (g) {
return function (h) {
return function (f) { return h(combine(f)(g)); };
};
};
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