Add upcase_first method

1 files changed, 7 insertions, 0 deletions

diff --git a/activesupport/lib/active_support/inflector/methods.rb b/activesupport/lib/active_support/inflector/methods.rb
index f741c0bfb8..3fbc19ddf8 100644
--- a/activesupport/lib/active_support/inflector/methods.rb
+++ b/activesupport/lib/active_support/inflector/methods.rb
@@ -140,6 +140,13 @@ module ActiveSupport
       result
     end
 
+    # Converts just the first character to uppercase.
+    #
+    #  'what a Lovely Day'.upcase_first # => "What a Lovely Day"
+    def upcase_first(string)
+      string[0].upcase.concat(string[1..-1])
+    end
+
     # Capitalizes all the words and replaces some characters in the string to
     # create a nicer looking title. +titleize+ is meant for creating pretty
     # output. It is not used in the Rails internals.