File: nullishCoalescingOperator5.types

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=== tests/cases/conformance/expressions/nullishCoalescingOperator/nullishCoalescingOperator5.ts ===
declare const a: string | undefined
>a : string | undefined

declare const b: string | undefined
>b : string | undefined

declare const c: string | undefined
>c : string | undefined

// should be a syntax error
a ?? b || c;
>a ?? b || c : string | undefined
>a : string | undefined
>b || c : string | undefined
>b : string | undefined
>c : string | undefined

// should be a syntax error
a || b ?? c;
>a || b ?? c : string | undefined
>a || b : string | undefined
>a : string | undefined
>b : string | undefined
>c : string | undefined

// should be a syntax error
a ?? b && c;
>a ?? b && c : string | undefined
>a : string | undefined
>b && c : string | undefined
>b : string | undefined
>c : string | undefined

// should be a syntax error
a && b ?? c;
>a && b ?? c : string | undefined
>a && b : string | undefined
>a : string | undefined
>b : string | undefined
>c : string | undefined

// Valid according to spec
a ?? (b || c);
>a ?? (b || c) : string | undefined
>a : string | undefined
>(b || c) : string | undefined
>b || c : string | undefined
>b : string | undefined
>c : string | undefined

// Valid according to spec
(a ?? b) || c;
>(a ?? b) || c : string | undefined
>(a ?? b) : string | undefined
>a ?? b : string | undefined
>a : string | undefined
>b : string | undefined
>c : string | undefined

// Valid according to spec
(a || b) ?? c;
>(a || b) ?? c : string | undefined
>(a || b) : string | undefined
>a || b : string | undefined
>a : string | undefined
>b : string | undefined
>c : string | undefined

// Valid according to spec
a || (b ?? c);
>a || (b ?? c) : string | undefined
>a : string | undefined
>(b ?? c) : string | undefined
>b ?? c : string | undefined
>b : string | undefined
>c : string | undefined

// Valid according to spec
a ?? (b && c);
>a ?? (b && c) : string | undefined
>a : string | undefined
>(b && c) : string | undefined
>b && c : string | undefined
>b : string | undefined
>c : string | undefined

// Valid according to spec
(a ?? b) && c;
>(a ?? b) && c : string | undefined
>(a ?? b) : string | undefined
>a ?? b : string | undefined
>a : string | undefined
>b : string | undefined
>c : string | undefined

// Valid according to spec
(a && b) ?? c;
>(a && b) ?? c : string | undefined
>(a && b) : string | undefined
>a && b : string | undefined
>a : string | undefined
>b : string | undefined
>c : string | undefined

// Valid according to spec
a && (b ?? c);
>a && (b ?? c) : string | undefined
>a : string | undefined
>(b ?? c) : string | undefined
>b ?? c : string | undefined
>b : string | undefined
>c : string | undefined