Function testFn

tests/multiple-patterns.test.ts:7–31

(input: Option<number>)

describe('Multiple patterns', () => {
  it('should match if one of the patterns matches', () => {
    const testFn = (input: Option<number>) =>
      match(input)
        .with(
          { kind: 'some', value: 2 as const },
          { kind: 'some', value: 3 as const },
          { kind: 'some', value: 4 as const },
          (x) => {
            type t = Expect<
              Equal<
                typeof x,
                | { kind: 'some'; value: 2 }
                | { kind: 'some'; value: 3 }
                | { kind: 'some'; value: 4 }
              >
            >;
            return true;
          }
        )
        .with({ kind: 'none' }, { kind: 'some' }, (x) => {
          type t = Expect<
            Equal<typeof x, { kind: 'some'; value: number } | { kind: 'none' }>
          >;
          return false;
        })
        .run();

    const cases = [
      { input: { kind: 'some', value: 3 }, expected: true },