BLock Test

block_test.rb

#!/usr/bin/env ruby

def yield_noargs
  puts "hi from yield_noargs"
  yield if block_given?
end

def yield_args(foo)
  puts "hi from yield_args"
  puts "Was pased #{foo}"
  yield if block_given?
end

def proc_onearg(&p)
  puts "hi from proc_onearg"
  p.call
end

def proc_twoarg(foo, &p)
  puts "hi from proc_onearg"
  puts "Was pased #{foo}"
  p.call
end

yield_noargs
yield_noargs {puts "hi from the block"}

yield_args "foo"
# this has syntax error
# yield_args "foo", {puts "the block"}

proc_onearg {puts "hi from the block"}

# this has syntax error
# proc_twoarg "foo", {puts "hi from the block"}