160 lines
2.9 KiB
Text
160 lines
2.9 KiB
Text
=== tests/cases/conformance/controlFlow/controlFlowTruthiness.ts ===
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declare function foo(): string | undefined;
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>foo : () => string | undefined
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function f1() {
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>f1 : () => void
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let x = foo();
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>x : string | undefined
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>foo() : string | undefined
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>foo : () => string | undefined
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if (x) {
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>x : string | undefined
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x; // string
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>x : string
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}
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else {
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x; // string | undefined
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>x : string | undefined
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}
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}
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function f2() {
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>f2 : () => void
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let x: string | undefined;
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>x : string | undefined
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x = foo();
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>x = foo() : string | undefined
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>x : string | undefined
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>foo() : string | undefined
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>foo : () => string | undefined
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if (x) {
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>x : string | undefined
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x; // string
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>x : string
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}
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else {
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x; // string | undefined
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>x : string | undefined
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}
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}
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function f3() {
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>f3 : () => void
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let x: string | undefined;
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>x : string | undefined
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if (x = foo()) {
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>x = foo() : string | undefined
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>x : string | undefined
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>foo() : string | undefined
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>foo : () => string | undefined
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x; // string
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>x : string
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}
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else {
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x; // string | undefined
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>x : string | undefined
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}
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}
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function f4() {
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>f4 : () => void
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let x: string | undefined;
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>x : string | undefined
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if (!(x = foo())) {
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>!(x = foo()) : boolean
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>(x = foo()) : string | undefined
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>x = foo() : string | undefined
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>x : string | undefined
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>foo() : string | undefined
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>foo : () => string | undefined
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x; // string | undefined
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>x : string | undefined
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}
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else {
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x; // string
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>x : string
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}
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}
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function f5() {
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>f5 : () => void
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let x: string | undefined;
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>x : string | undefined
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let y: string | undefined;
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>y : string | undefined
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if (x = y = foo()) {
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>x = y = foo() : string | undefined
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>x : string | undefined
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>y = foo() : string | undefined
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>y : string | undefined
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>foo() : string | undefined
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>foo : () => string | undefined
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x; // string
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>x : string
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y; // string | undefined
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>y : string | undefined
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}
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else {
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x; // string | undefined
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>x : string | undefined
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y; // string | undefined
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>y : string | undefined
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}
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}
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function f6() {
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>f6 : () => void
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let x: string | undefined;
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>x : string | undefined
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let y: string | undefined;
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>y : string | undefined
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if (x = foo(), y = foo()) {
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>x = foo(), y = foo() : string | undefined
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>x = foo() : string | undefined
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>x : string | undefined
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>foo() : string | undefined
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>foo : () => string | undefined
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>y = foo() : string | undefined
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>y : string | undefined
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>foo() : string | undefined
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>foo : () => string | undefined
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x; // string | undefined
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>x : string | undefined
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y; // string
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>y : string
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}
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else {
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x; // string | undefined
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>x : string | undefined
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y; // string | undefined
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>y : string | undefined
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}
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}
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