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=== tests/cases/compiler/controlFlowLoopAnalysis.ts ===
// Repro from #8418
let cond: boolean;
>cond : Symbol(cond, Decl(controlFlowLoopAnalysis.ts, 2, 3))
function foo(x: number): number { return 1; }
>foo : Symbol(foo, Decl(controlFlowLoopAnalysis.ts, 2, 18))
>x : Symbol(x, Decl(controlFlowLoopAnalysis.ts, 4, 13))
function test1() {
>test1 : Symbol(test1, Decl(controlFlowLoopAnalysis.ts, 4, 45))
let x: number | undefined;
>x : Symbol(x, Decl(controlFlowLoopAnalysis.ts, 7, 7))
while (cond) {
>cond : Symbol(cond, Decl(controlFlowLoopAnalysis.ts, 2, 3))
while (cond) {
>cond : Symbol(cond, Decl(controlFlowLoopAnalysis.ts, 2, 3))
while (cond) {
>cond : Symbol(cond, Decl(controlFlowLoopAnalysis.ts, 2, 3))
x = foo(x);
>x : Symbol(x, Decl(controlFlowLoopAnalysis.ts, 7, 7))
>foo : Symbol(foo, Decl(controlFlowLoopAnalysis.ts, 2, 18))
>x : Symbol(x, Decl(controlFlowLoopAnalysis.ts, 7, 7))
}
}
x = 1;
>x : Symbol(x, Decl(controlFlowLoopAnalysis.ts, 7, 7))
}
}
// Repro from #8418
function test2() {
>test2 : Symbol(test2, Decl(controlFlowLoopAnalysis.ts, 16, 1))
let x: number | undefined;
>x : Symbol(x, Decl(controlFlowLoopAnalysis.ts, 21, 7))
x = 1;
>x : Symbol(x, Decl(controlFlowLoopAnalysis.ts, 21, 7))
while (cond) {
>cond : Symbol(cond, Decl(controlFlowLoopAnalysis.ts, 2, 3))
while (cond) {
>cond : Symbol(cond, Decl(controlFlowLoopAnalysis.ts, 2, 3))
x = foo(x);
>x : Symbol(x, Decl(controlFlowLoopAnalysis.ts, 21, 7))
>foo : Symbol(foo, Decl(controlFlowLoopAnalysis.ts, 2, 18))
>x : Symbol(x, Decl(controlFlowLoopAnalysis.ts, 21, 7))
}
}
}
// Repro from #8511
function mapUntilCant<a, b>(
>mapUntilCant : Symbol(mapUntilCant, Decl(controlFlowLoopAnalysis.ts, 28, 1))
>a : Symbol(a, Decl(controlFlowLoopAnalysis.ts, 32, 22))
>b : Symbol(b, Decl(controlFlowLoopAnalysis.ts, 32, 24))
values: a[],
>values : Symbol(values, Decl(controlFlowLoopAnalysis.ts, 32, 28))
>a : Symbol(a, Decl(controlFlowLoopAnalysis.ts, 32, 22))
canTake: (value: a, index: number) => boolean,
>canTake : Symbol(canTake, Decl(controlFlowLoopAnalysis.ts, 33, 16))
>value : Symbol(value, Decl(controlFlowLoopAnalysis.ts, 34, 14))
>a : Symbol(a, Decl(controlFlowLoopAnalysis.ts, 32, 22))
>index : Symbol(index, Decl(controlFlowLoopAnalysis.ts, 34, 23))
mapping: (value: a, index: number) => b
>mapping : Symbol(mapping, Decl(controlFlowLoopAnalysis.ts, 34, 50))
>value : Symbol(value, Decl(controlFlowLoopAnalysis.ts, 35, 14))
>a : Symbol(a, Decl(controlFlowLoopAnalysis.ts, 32, 22))
>index : Symbol(index, Decl(controlFlowLoopAnalysis.ts, 35, 23))
>b : Symbol(b, Decl(controlFlowLoopAnalysis.ts, 32, 24))
): b[] {
>b : Symbol(b, Decl(controlFlowLoopAnalysis.ts, 32, 24))
let result: b[] = [];
>result : Symbol(result, Decl(controlFlowLoopAnalysis.ts, 37, 7))
>b : Symbol(b, Decl(controlFlowLoopAnalysis.ts, 32, 24))
for (let index = 0, length = values.length; index < length; index++) {
>index : Symbol(index, Decl(controlFlowLoopAnalysis.ts, 38, 12))
>length : Symbol(length, Decl(controlFlowLoopAnalysis.ts, 38, 23))
>values.length : Symbol(Array.length, Decl(lib.es5.d.ts, --, --))
>values : Symbol(values, Decl(controlFlowLoopAnalysis.ts, 32, 28))
>length : Symbol(Array.length, Decl(lib.es5.d.ts, --, --))
>index : Symbol(index, Decl(controlFlowLoopAnalysis.ts, 38, 12))
>length : Symbol(length, Decl(controlFlowLoopAnalysis.ts, 38, 23))
>index : Symbol(index, Decl(controlFlowLoopAnalysis.ts, 38, 12))
let value = values[index];
>value : Symbol(value, Decl(controlFlowLoopAnalysis.ts, 39, 11))
>values : Symbol(values, Decl(controlFlowLoopAnalysis.ts, 32, 28))
>index : Symbol(index, Decl(controlFlowLoopAnalysis.ts, 38, 12))
if (canTake(value, index)) {
>canTake : Symbol(canTake, Decl(controlFlowLoopAnalysis.ts, 33, 16))
>value : Symbol(value, Decl(controlFlowLoopAnalysis.ts, 39, 11))
>index : Symbol(index, Decl(controlFlowLoopAnalysis.ts, 38, 12))
result.push(mapping(value, index));
>result.push : Symbol(Array.push, Decl(lib.es5.d.ts, --, --))
>result : Symbol(result, Decl(controlFlowLoopAnalysis.ts, 37, 7))
>push : Symbol(Array.push, Decl(lib.es5.d.ts, --, --))
>mapping : Symbol(mapping, Decl(controlFlowLoopAnalysis.ts, 34, 50))
>value : Symbol(value, Decl(controlFlowLoopAnalysis.ts, 39, 11))
>index : Symbol(index, Decl(controlFlowLoopAnalysis.ts, 38, 12))
} else {
return result;
>result : Symbol(result, Decl(controlFlowLoopAnalysis.ts, 37, 7))
}
}
return result;
>result : Symbol(result, Decl(controlFlowLoopAnalysis.ts, 37, 7))
}
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