File: functionOverloadErrors.js

package info (click to toggle)
node-typescript 3.3.3333-1
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 324,548 kB
  • sloc: makefile: 6; sh: 3
file content (163 lines) | stat: -rw-r--r-- 4,027 bytes parent folder | download | duplicates (5)
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
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
//// [functionOverloadErrors.ts]
//Function overload signature with initializer
function fn1(x = 3);
function fn1() { }

//Multiple function overload signatures that are identical
function fn2a();
function fn2a();
function fn2a() {

}
function fn2b(n: number[]);
function fn2b(n: Array<number>);
function fn2b() {
}

//Multiple function overload signatures that differ only by return type
function fn3(x: string): string;
function fn3(y: string): number;
function fn3(): any {
    return null;
}

//Function overload with rest param and another with only an optional parameter
function fn6(...t: any[]);
function fn6(x?: any);
function fn6() { }

//Function overload with rest param and another with only optional parameters
function fn7(...t: any[]);
function fn7(x?: any, y?: any, z?: any);
function fn7() { }

//Function overloads that differ only by type parameter name
function fn8<T>(n: string);
function fn8<S>(n: string);
function fn8() { }

//Function overloads that differ only by type parameter name when used in parameter type annotations
function fn9<T>(n: T);
function fn9<S>(n: S);
function fn9() { }

//Function overloads that differ only by type parameter constraints
function fn10<T extends Window>();
function fn10<S extends Date>();
function fn10() { }
// (actually OK)

//Function overloads that differ only by type parameter constraints where constraints are structually identical
function fn11<T extends Window>();
function fn11<S extends typeof window>();
function fn11() { }

//Function overloads that differ only by type parameter constraints where constraints include infinitely recursive type reference
interface List<T> {
    parents: List<List<T>>;
}
function fn12<T extends List<List<any>>>();
function fn12<T extends List<any>>();
function fn12() { }

//Function overloads that differ by accessibility
class cls {
    public f();
    private f(s: string);
    f() { }

    private g(s: string);
    public g();
    g() { }
}

//Function overloads with differing export
module M {
    export function fn1();
    function fn1(n: string);
    function fn1() { } 

    function fn2(n: string);
    export function fn2();
    export function fn2() { } 
}

//Function overloads with differing ambience
declare function dfn1();
function dfn1(s: string);
function dfn1() { }

function dfn2();
declare function dfn2(s: string);
function dfn2() { }

//Function overloads with fewer params than implementation signature
function fewerParams();
function fewerParams(n: string) {
}

//Function implementation whose parameter types are not assignable to all corresponding overload signature parameters
function fn13(n: string);
function fn13(n: number) { }

//Function overloads where return types are not all subtype of implementation return type
function fn14(n: string): string;
function fn14() {
    return 3;
}

//Function overloads where return types are different infinitely recursive type reference
function fn15<T extends List<List<any>>>(): T;
function fn15<T extends List<any>>(): T;
function fn15() {
    return undefined;
}

//Function overloads which use initializer expressions
function initExpr(n = 13);
function initExpr() { }


//// [functionOverloadErrors.js]
function fn1() { }
function fn2a() {
}
function fn2b() {
}
function fn3() {
    return null;
}
function fn6() { }
function fn7() { }
function fn8() { }
function fn9() { }
function fn10() { }
function fn11() { }
function fn12() { }
//Function overloads that differ by accessibility
var cls = /** @class */ (function () {
    function cls() {
    }
    cls.prototype.f = function () { };
    cls.prototype.g = function () { };
    return cls;
}());
//Function overloads with differing export
var M;
(function (M) {
    function fn1() { }
    function fn2() { }
    M.fn2 = fn2;
})(M || (M = {}));
function dfn1() { }
function dfn2() { }
function fewerParams(n) {
}
function fn13(n) { }
function fn14() {
    return 3;
}
function fn15() {
    return undefined;
}
function initExpr() { }