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=== tests/cases/compiler/controlFlowNullTypeAndLiteral.ts ===
// Repros from #23771
const myNull: null = null;
>myNull : Symbol(myNull, Decl(controlFlowNullTypeAndLiteral.ts, 2, 5))
const objWithValMaybeNull: { val: number | null } = { val: 1 };
>objWithValMaybeNull : Symbol(objWithValMaybeNull, Decl(controlFlowNullTypeAndLiteral.ts, 3, 5))
>val : Symbol(val, Decl(controlFlowNullTypeAndLiteral.ts, 3, 28))
>val : Symbol(val, Decl(controlFlowNullTypeAndLiteral.ts, 3, 53))
const addOne = function (num: number) {
>addOne : Symbol(addOne, Decl(controlFlowNullTypeAndLiteral.ts, 4, 5))
>num : Symbol(num, Decl(controlFlowNullTypeAndLiteral.ts, 4, 25))
return num + 1;
>num : Symbol(num, Decl(controlFlowNullTypeAndLiteral.ts, 4, 25))
}
if (objWithValMaybeNull.val !== null)
>objWithValMaybeNull.val : Symbol(val, Decl(controlFlowNullTypeAndLiteral.ts, 3, 28))
>objWithValMaybeNull : Symbol(objWithValMaybeNull, Decl(controlFlowNullTypeAndLiteral.ts, 3, 5))
>val : Symbol(val, Decl(controlFlowNullTypeAndLiteral.ts, 3, 28))
addOne(objWithValMaybeNull.val);
>addOne : Symbol(addOne, Decl(controlFlowNullTypeAndLiteral.ts, 4, 5))
>objWithValMaybeNull.val : Symbol(val, Decl(controlFlowNullTypeAndLiteral.ts, 3, 28))
>objWithValMaybeNull : Symbol(objWithValMaybeNull, Decl(controlFlowNullTypeAndLiteral.ts, 3, 5))
>val : Symbol(val, Decl(controlFlowNullTypeAndLiteral.ts, 3, 28))
if (objWithValMaybeNull.val !== myNull)
>objWithValMaybeNull.val : Symbol(val, Decl(controlFlowNullTypeAndLiteral.ts, 3, 28))
>objWithValMaybeNull : Symbol(objWithValMaybeNull, Decl(controlFlowNullTypeAndLiteral.ts, 3, 5))
>val : Symbol(val, Decl(controlFlowNullTypeAndLiteral.ts, 3, 28))
>myNull : Symbol(myNull, Decl(controlFlowNullTypeAndLiteral.ts, 2, 5))
addOne(objWithValMaybeNull.val);
>addOne : Symbol(addOne, Decl(controlFlowNullTypeAndLiteral.ts, 4, 5))
>objWithValMaybeNull.val : Symbol(val, Decl(controlFlowNullTypeAndLiteral.ts, 3, 28))
>objWithValMaybeNull : Symbol(objWithValMaybeNull, Decl(controlFlowNullTypeAndLiteral.ts, 3, 5))
>val : Symbol(val, Decl(controlFlowNullTypeAndLiteral.ts, 3, 28))
if (objWithValMaybeNull.val === null)
>objWithValMaybeNull.val : Symbol(val, Decl(controlFlowNullTypeAndLiteral.ts, 3, 28))
>objWithValMaybeNull : Symbol(objWithValMaybeNull, Decl(controlFlowNullTypeAndLiteral.ts, 3, 5))
>val : Symbol(val, Decl(controlFlowNullTypeAndLiteral.ts, 3, 28))
addOne(objWithValMaybeNull.val); // Error
>addOne : Symbol(addOne, Decl(controlFlowNullTypeAndLiteral.ts, 4, 5))
>objWithValMaybeNull.val : Symbol(val, Decl(controlFlowNullTypeAndLiteral.ts, 3, 28))
>objWithValMaybeNull : Symbol(objWithValMaybeNull, Decl(controlFlowNullTypeAndLiteral.ts, 3, 5))
>val : Symbol(val, Decl(controlFlowNullTypeAndLiteral.ts, 3, 28))
if (objWithValMaybeNull.val === myNull)
>objWithValMaybeNull.val : Symbol(val, Decl(controlFlowNullTypeAndLiteral.ts, 3, 28))
>objWithValMaybeNull : Symbol(objWithValMaybeNull, Decl(controlFlowNullTypeAndLiteral.ts, 3, 5))
>val : Symbol(val, Decl(controlFlowNullTypeAndLiteral.ts, 3, 28))
>myNull : Symbol(myNull, Decl(controlFlowNullTypeAndLiteral.ts, 2, 5))
addOne(objWithValMaybeNull.val); // Error
>addOne : Symbol(addOne, Decl(controlFlowNullTypeAndLiteral.ts, 4, 5))
>objWithValMaybeNull.val : Symbol(val, Decl(controlFlowNullTypeAndLiteral.ts, 3, 28))
>objWithValMaybeNull : Symbol(objWithValMaybeNull, Decl(controlFlowNullTypeAndLiteral.ts, 3, 5))
>val : Symbol(val, Decl(controlFlowNullTypeAndLiteral.ts, 3, 28))
function f(x: number | null) {
>f : Symbol(f, Decl(controlFlowNullTypeAndLiteral.ts, 16, 36))
>x : Symbol(x, Decl(controlFlowNullTypeAndLiteral.ts, 18, 11))
if(x === myNull) {
>x : Symbol(x, Decl(controlFlowNullTypeAndLiteral.ts, 18, 11))
>myNull : Symbol(myNull, Decl(controlFlowNullTypeAndLiteral.ts, 2, 5))
const s: string = x; // Error
>s : Symbol(s, Decl(controlFlowNullTypeAndLiteral.ts, 20, 13))
>x : Symbol(x, Decl(controlFlowNullTypeAndLiteral.ts, 18, 11))
}
}
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