From 3599e3c29c16c2cfd12c76a5dcbe6d55e9f396d3 Mon Sep 17 00:00:00 2001
From: Tristan Cacqueray <tdecacqu@redhat.com>
Date: Mon, 6 Dec 2021 22:23:03 +0000
Subject: Add function.constant

This change adds a new helper to the function module.
---
 test/gleam/function_test.gleam | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'test')

diff --git a/test/gleam/function_test.gleam b/test/gleam/function_test.gleam
index e86beb3..1495d2a 100644
--- a/test/gleam/function_test.gleam
+++ b/test/gleam/function_test.gleam
@@ -2,6 +2,7 @@ import gleam/should
 import gleam/dynamic
 import gleam/function
 import gleam/int
+import gleam/pair
 import gleam/list
 import gleam/result
 import gleam/string
@@ -107,3 +108,9 @@ pub fn identity_test() {
   |> function.identity
   |> should.equal(#(1, 2.0))
 }
+
+pub fn always_test() {
+  #(1, 2)
+  |> pair.map_first(function.constant(42))
+  |> should.equal(#(42, 2))
+}
-- 
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