1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
|
tests/cases/compiler/functionAssignment.ts(22,5): error TS2322: Type '4' is not assignable to type 'string'.
tests/cases/compiler/functionAssignment.ts(34,17): error TS2339: Property 'length' does not exist on type 'number'.
==== tests/cases/compiler/functionAssignment.ts (2 errors) ====
function f(n: Function) { }
f(function () { });
interface foo {
get(handler: (bar: number)=>void): void;
}
interface baz {
get(callback: Function): number;
}
var barbaz: baz;
var test: foo;
test.get(function (param) {
var x = barbaz.get(function () { });
});
function f2(n: () => void) { }
f2(() => {
var n = '';
n = 4;
~
!!! error TS2322: Type '4' is not assignable to type 'string'.
});
function f3(a: { a: number; b: number; }) { }
f3({ a: 0, b: 0 });
function callb(lam:(l: number) => void );
function callb(lam:(n: string)=>void);
function callb(a) { }
callb((a) =>{ a.length; });
~~~~~~
!!! error TS2339: Property 'length' does not exist on type 'number'.
|
