From 208de203d67206393aeb479433d9f8ea7db5a0c0 Mon Sep 17 00:00:00 2001
From: hw <xodltus@naver.com>
Date: Mon, 25 Nov 2024 22:03:33 +0900
Subject: [PATCH] feat: support mapEffect

---
 src/Lazy/fx.ts | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/Lazy/fx.ts b/src/Lazy/fx.ts
index f7f511e2..ac8a1a34 100644
--- a/src/Lazy/fx.ts
+++ b/src/Lazy/fx.ts
@@ -66,6 +66,15 @@ class FxAsyncIterable<A> {
     return new FxAsyncIterable(map(f, this.asyncIterable));
   }
 
+  /**
+   * A function that is identical to `map`, but is intended to create side effects as part of its convention.
+   *
+   * see {@link https://fxts.dev/docs/map | map}
+   */
+  mapEffect<B>(f: (a: A) => B) {
+    return new FxAsyncIterable(map(f, this.asyncIterable));
+  }
+
   /**
    * Returns flattened AsyncIterable of values by running each element
    * flattening the mapped results.
@@ -366,6 +375,15 @@ export class FxIterable<A> {
     return new FxIterable(map(f, this.iterable));
   }
 
+  /**
+   * A function that is identical to `map`, but is intended to create side effects as part of its convention.
+   *
+   * see {@link https://fxts.dev/docs/map | map}
+   */
+  mapEffect<B>(f: (a: A) => B): FxIterable<B> {
+    return new FxIterable(map(f, this.iterable));
+  }
+
   /**
    * Returns flattened Iterable of values by running each element
    * flattening the mapped results.