Functions

1 files changed, 14 insertions, 0 deletions

diff --git a/lessons/src/lesson015_anonymous_functions/code.gleam b/lessons/src/lesson015_anonymous_functions/code.gleam
new file mode 100644
index 0000000..9f536d9
--- /dev/null
+++ b/lessons/src/lesson015_anonymous_functions/code.gleam
@@ -0,0 +1,14 @@
+import gleam/io
+
+pub fn main() {
+  // Assign an anonymous function to a variable
+  let add_one = fn(a) { a + 1 }
+  io.debug(twice(1, add_one))
+
+  // Pass an anonymous function as an argument
+  io.debug(twice(1, fn(a) { a * 2 }))
+}
+
+fn twice(a: Int, function: fn(Int) -> Int) -> Int {
+  function(function(a))
+}