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null checking throughout logical and/or

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This commit is contained in:
dcode
2019-04-09 04:25:38 +02:00
parent da4a7751fd
commit cd79376101
4 changed files with 102 additions and 12 deletions
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34
tests/compiler/possibly-null.ts
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@ -83,16 +83,30 @@ export function testWhile3(a: Ref | null, b: Ref | null): void {
}
}
// TODO:
function requireNonNull(a: Ref): Ref {
return a;
}
// function requireNonNull(a: Ref): Ref {
// return a;
// }
export function testLogicalAnd(a: Ref | null): void {
a && requireNonNull(a);
}
// export function testLogicalAnd(a: Ref | null): void {
// a && requireNonNull(a);
// }
export function testLogicalOr(a: Ref | null): void {
!a || requireNonNull(a) != null;
}
// export function testLogicalOr(a: Ref | null): void {
// !a || requireNonNull(a);
// }
export function testLogicalAndMulti(a: Ref | null, b: Ref | null): void {
if (a && b) {
if (isNullable(a)) ERROR("should be non-nullable");
if (isNullable(b)) ERROR("should be non-nullable");
}
}
export function testLogicalOrMulti(a: Ref | null, b: Ref | null): void {
if (!a || !b) {
// something
} else {
if (isNullable(a)) ERROR("should be non-nullable");
if (isNullable(b)) ERROR("should be non-nullable");
}
}