diff options
Diffstat (limited to 'ruby.html.markdown')
| -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 | 
