gistfile1.rb

#!/usr/bin/ruby

# Create a simple function to call a lambda
def testCall f
  f.call 3
end

# Call testCall with a lambda, this version works
testCall(lambda do |x| puts "test, x = #{x}" end)

# Call testCall again with an intermediate variable, this version also works
x = lambda do |x| puts "test, x = #{x}" end
testCall x

# call testCall with a lambda, this fails because function application has a higher precedence than binding a block?
testCall lambda do |x| puts "test, x = #{x}" end

# call testCall with a lambda, this fails for mysterious reasons?
testCall (lambda do |x| puts "test, x = #{x}" end)