From bcea3cf65a63f948784d70425d6fc46ae648b1e4 Mon Sep 17 00:00:00 2001
From: Mathias Jean Johansen <mathias@mjj.io>
Date: Mon, 2 May 2022 17:39:44 +0200
Subject: Refactor `capitalize` to use `pop_grapheme`.

---
 src/gleam/string.gleam | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

(limited to 'src')

diff --git a/src/gleam/string.gleam b/src/gleam/string.gleam
index 6c58135..2440e83 100644
--- a/src/gleam/string.gleam
+++ b/src/gleam/string.gleam
@@ -797,12 +797,8 @@ pub fn last(s: String) -> Option(String) {
 /// ```
 ///
 pub fn capitalize(s: String) -> String {
-  let first =
-    slice(s, 0, 1)
-    |> uppercase
-  let rest =
-    slice(s, 1, length(s))
-    |> lowercase
-
-  append(to: first, suffix: rest)
+  case pop_grapheme(s) {
+    Ok(#(first, rest)) -> append(to: uppercase(first), suffix: lowercase(rest))
+    _ -> ""
+  }
 }
-- 
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