1 files changed, 7 insertions, 0 deletions
diff --git a/test/gleam/function_test.gleam b/test/gleam/function_test.gleam
index 27e8b0d..7fab989 100644
--- a/test/gleam/function_test.gleam
+++ b/test/gleam/function_test.gleam
@@ -6,6 +6,7 @@ import gleam/pair
 import gleam/list
 import gleam/result
 import gleam/string
+import gleam/io
 
 pub fn compose_test() {
   let add_two = fn(int: Int) { int + 2 }
@@ -114,3 +115,9 @@ pub fn constant_test() {
   |> pair.map_first(function.constant(42))
   |> should.equal(#(42, 2))
 }
+
+pub fn tap_test() {
+  "Thanks Joe & Louis"
+  |> function.tap(io.print)
+  |> should.equal("Thanks Joe & Louis")
+}