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=== tests/cases/conformance/controlFlow/switchWithConstrainedTypeVariable.ts ===
// Repro from #20840
function function1<T extends 'a' | 'b'>(key: T) {
>function1 : <T extends "a" | "b">(key: T) => void
>key : T
switch (key) {
>key : T
case 'a':
>'a' : "a"
key.toLowerCase();
>key.toLowerCase() : string
>key.toLowerCase : () => string
>key : "a"
>toLowerCase : () => string
break;
default:
key.toLowerCase();
>key.toLowerCase() : string
>key.toLowerCase : () => string
>key : "b"
>toLowerCase : () => string
break;
}
}
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