ts-data-forge
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    • Type guard for the Ok variant.

      Type Parameters

      • R extends UnknownTernaryResult

      Parameters

      • result: R

      Returns result is NarrowToOk<R>

      const maybeNumber = TernaryResult.ok(42) as TernaryResult<
      number,
      string,
      string
      >;

      if (TernaryResult.isOk(maybeNumber)) {
      const value: number = maybeNumber.value;

      assert.strictEqual(value, 42);
      }