File: typeGuardsWithAny.symbols

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 (61 lines) | stat: -rw-r--r-- 1,883 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
=== tests/cases/conformance/expressions/typeGuards/typeGuardsWithAny.ts ===
var x: any = { p: 0 };
>x : Symbol(x, Decl(typeGuardsWithAny.ts, 0, 3))
>p : Symbol(p, Decl(typeGuardsWithAny.ts, 0, 14))

if (x instanceof Object) {
>x : Symbol(x, Decl(typeGuardsWithAny.ts, 0, 3))
>Object : Symbol(Object, Decl(lib.es5.d.ts, --, --), Decl(lib.es5.d.ts, --, --))

    x.p; // No error, type any unaffected by instanceof type guard
>x : Symbol(x, Decl(typeGuardsWithAny.ts, 0, 3))
}
else {
    x.p; // No error, type any unaffected by instanceof type guard
>x : Symbol(x, Decl(typeGuardsWithAny.ts, 0, 3))
}

if (typeof x === "string") {
>x : Symbol(x, Decl(typeGuardsWithAny.ts, 0, 3))

    x.p; // Error, type any narrowed by primitive type check
>x : Symbol(x, Decl(typeGuardsWithAny.ts, 0, 3))
}
else {
    x.p; // No error, type unaffected in this branch
>x : Symbol(x, Decl(typeGuardsWithAny.ts, 0, 3))
}

if (typeof x === "number") {
>x : Symbol(x, Decl(typeGuardsWithAny.ts, 0, 3))

    x.p; // Error, type any narrowed by primitive type check
>x : Symbol(x, Decl(typeGuardsWithAny.ts, 0, 3))
}
else {
    x.p; // No error, type unaffected in this branch
>x : Symbol(x, Decl(typeGuardsWithAny.ts, 0, 3))
}

if (typeof x === "boolean") {
>x : Symbol(x, Decl(typeGuardsWithAny.ts, 0, 3))

    x.p; // Error, type any narrowed by primitive type check
>x : Symbol(x, Decl(typeGuardsWithAny.ts, 0, 3))
}
else {
    x.p; // No error, type unaffected in this branch
>x : Symbol(x, Decl(typeGuardsWithAny.ts, 0, 3))
}

if (typeof x === "object") {
>x : Symbol(x, Decl(typeGuardsWithAny.ts, 0, 3))

    x.p; // No error, type any only affected by primitive type check
>x : Symbol(x, Decl(typeGuardsWithAny.ts, 0, 3))
}
else {
    x.p; // No error, type unaffected in this branch
>x : Symbol(x, Decl(typeGuardsWithAny.ts, 0, 3))
}