TypeScript/tests/cases/conformance/jsdoc/jsdocFunctionType.ts
2017-07-17 08:29:40 -07:00

38 lines
783 B
TypeScript

// @allowJs: true
// @checkJs: true
// @noEmit: true
// @noImplicitAny: true
// @Filename: functions.js
/**
* @param {function(this: string, number): number} c is just passing on through
* @return {function(this: string, number): number}
*/
function id1(c) {
return c
}
var x = id1(function (n) { return this.length + n });
/**
* @param {function(new: { length: number }, number): number} c is just passing on through
* @return {function(new: { length: number }, number): number}
*/
function id2(c) {
return c
}
class C {
/** @param {number} n */
constructor(n) {
this.length = n;
}
}
var y = id2(C);
var z = new y(12);
z.length;
/** @type {function ("a" | "b", 1 | 2): 3 | 4} */
var f = function (ab, onetwo) { return ab === "a" ? 3 : 4; }