Ruby Examples

level6/59.rb

@@ -0,0 +1,19 @@
+#!/usr/bin/ruby
+# -*- coding: utf-8 -*-
+
+=begin
+snake_case → camelCase 변환
+=end
+
+str = "hello_world"
+
+puts str.split("_")
+        .map { |s| s.capitalize}
+        .join
+
+# ---
+
+x = str.gsub(/_[a-z]/) do |s|
+  s.to_s.delete("_").upcase
+end
+puts x