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| -rw-r--r-- | ruby.html.markdown | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/ruby.html.markdown b/ruby.html.markdown index b9ba83cb..8723e18f 100644 --- a/ruby.html.markdown +++ b/ruby.html.markdown @@ -287,6 +287,18 @@ surround { puts 'hello world' } # } +# You can pass a block to a function +# "&" marks a reference to a passed block +def guests(&block) + block.call "some_argument" +end + +# You can pass a list of arguments, which will be converted into an array +# That's what splat operator ("*") is for +def guests(*array) + array.each { |guest| puts "#{guest}" } +end + # Define a class with the class keyword class Human |