add isSuccess & isFailure for result

fnxt-js · Aug 22, 2023 · 360521c · 360521c
1 parent 9aef5b5
commit 360521c
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Showing 2 changed files with 3 additions and 1 deletion.
diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "fnxt",
-  "version": "1.15.1",
+  "version": "1.15.2",
   "description": "Functional Extensions for modern JavaScript",
   "main": "./dist/cjs/index.js",
   "module": "./dist/esm5/index.js",

diff --git a/src/result/result.ts b/src/result/result.ts
@@ -24,3 +24,5 @@ export const Failure = <E>(value: E): FailureType<E> => ({
   type: ResultType.Failure,
   value,
 });
+export const isSuccess = <S, F>(result: Result<S, F>): result is SuccessType<S> => result.type === ResultType.Success
+export const isFailure = <S, F>(result: Result<S, F>): result is FailureType<F> => result.type === ResultType.Failure