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
|
tests/cases/conformance/types/typeRelationships/comparable/equalityWithEnumTypes.ts(14,9): error TS2367: This comparison appears to be unintentional because the types 'E1' and '0' have no overlap.
tests/cases/conformance/types/typeRelationships/comparable/equalityWithEnumTypes.ts(23,9): error TS2367: This comparison appears to be unintentional because the types 'E1' and '3' have no overlap.
==== tests/cases/conformance/types/typeRelationships/comparable/equalityWithEnumTypes.ts (2 errors) ====
// Literal enum type
enum E1 {
a = 1,
b = 2,
}
// Numeric enum type
enum E2 {
a = 1 << 0,
b = 1 << 1
}
function f1(v: E1) {
if (v !== 0) { // Error
~~~~~~~
!!! error TS2367: This comparison appears to be unintentional because the types 'E1' and '0' have no overlap.
v;
}
if (v !== 1) {
v;
}
if (v !== 2) {
v;
}
if (v !== 3) { // Error
~~~~~~~
!!! error TS2367: This comparison appears to be unintentional because the types 'E1' and '3' have no overlap.
v;
}
}
function f2(v: E2) {
if (v !== 0) {
v;
}
if (v !== 1) {
v;
}
if (v !== 2) {
v;
}
if (v !== 3) {
v;
}
}
|
