File: nonNullFullInference.ts

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// @noImplicitAny: true
// https://github.com/microsoft/TypeScript/issues/19577

function testNonNullInference(numbers: number[]) {
    let last;

    for (const n of numbers) {
        if (n % 2) {
            return n;
        }

        last = n;
    }

    last;
    last!;
}

function testNonNullInferenceWithArrays(numbers: number[]) {
    let result;
    const arr = [];

    for (const n of numbers) {
        if (n % 2) {
            return [n];
        }

        arr.push(n);
        result = arr;
    }

    result;
    result!;
}