Procs, blocks, and methods are actually all different from each other. Of those ...

sjs · on Sept 16, 2009

    puts_method = method(:puts)
    def get_block(&block) block end
    my_block = get_block { puts_method.call('hello!') }
    my_block.call #=> hello!

tesseract · on Sept 16, 2009

    puts puts_method.class #=> Method
    puts my_block.class #=> Proc

Method and Proc are types; blocks are a syntactic construct.

sjs · on Sept 17, 2009

You're right, captured blocks are instances of Proc. However I still claim that methods are objects that can be passed around, assigned to variables, and sent messages. Method and UnboundMethod are both classes that inherit from Object. It's right there in proc.c with the Proc class.

    Method.ancestors #=> [Method, Object, Kernel]

tesseract · on Sept 17, 2009

I don't disagree with you there.

jfarmer · on Sept 17, 2009

Didn't know that. Ruby, you crazy.