Bangs
This lesson gives an introduction to bang methods in Ruby.
Bang Methods
All of the examples that we’ve discussed before have one thing in common:
They are questions and do not modify the object they are called on.
For example:
name = "Ruby Monstas"
puts name.downcase
puts name
This will output:
ruby monstas
Ruby Monstas
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name = "Ruby Monstas"puts name.downcaseputs name
As you can see the method downcase has returned a new String, which is ...
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