Writing a Method that Accepts a Block : Method Arguments « Method « Ruby

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Ruby » Method » Method Arguments

Writing a Method that Accepts a Block





def call_twice

  puts "I'm about to call your block."

  yield

  puts "I'm about to call your block again."

  yield

end



call_twice { puts "Hi, I'm a talking code block." }

# I'm about to call your block.

# Hi, I'm a talking code block.

# I'm about to call your block again.

# Hi, I'm a talking code block.

Related examples in the same category

1.	Passing Arguments to a Method
2.	The parentheses in the call are optional
3.	Passing Data to Methods with or without parenthesis
4.	Function with two parameters
5.	Method with three parameters
6.	Pass full arrays to methods in Ruby, and return arrays as well
7.	Default Arguments
8.	Call method from parameter
9.	Block as the third parameter
10.	Raise exception based on parameter type
11.	raise ArgumentError

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