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
|
=== tests/cases/conformance/expressions/nullishCoalescingOperator/nullishCoalescingOperator3.ts ===
declare const a1: 'literal' | undefined | null
>a1 : "literal" | null | undefined
>null : null
declare const a2: '' | undefined | null
>a2 : "" | null | undefined
>null : null
declare const a3: 1 | undefined | null
>a3 : 1 | null | undefined
>null : null
declare const a4: 0 | undefined | null
>a4 : 0 | null | undefined
>null : null
declare const a5: true | undefined | null
>a5 : true | null | undefined
>true : true
>null : null
declare const a6: false | undefined | null
>a6 : false | null | undefined
>false : false
>null : null
const aa1 = a1 ?? a2 ?? a3 ?? a4 ?? a5 ?? a6 ?? 'whatever'
>aa1 : boolean | "" | 0 | "literal" | 1 | "whatever"
>a1 ?? a2 ?? a3 ?? a4 ?? a5 ?? a6 ?? 'whatever' : boolean | "" | 0 | "literal" | 1 | "whatever"
>a1 ?? a2 ?? a3 ?? a4 ?? a5 ?? a6 : boolean | "" | 0 | "literal" | 1 | null | undefined
>a1 ?? a2 ?? a3 ?? a4 ?? a5 : true | "" | 0 | "literal" | 1 | null | undefined
>a1 ?? a2 ?? a3 ?? a4 : "" | 0 | "literal" | 1 | null | undefined
>a1 ?? a2 ?? a3 : "" | "literal" | 1 | null | undefined
>a1 ?? a2 : "" | "literal" | null | undefined
>a1 : "literal" | null | undefined
>a2 : "" | null | undefined
>a3 : 1 | null | undefined
>a4 : 0 | null | undefined
>a5 : true | null | undefined
>a6 : false | null | undefined
>'whatever' : "whatever"
|
