Class: HashFilter::Operation::Rename

Inherits:

HashFilter::Operation

• Object
• HashFilter::Operation
• HashFilter::Operation::Rename

Defined in:

lib/hash_filter/operation/rename.rb

Overview

Rename a key in a hash

Instance Method Summary

• #execute(hash, old) ⇒ Object
• #initialize(from, to) ⇒ Rename constructor

  A new instance of Rename.

Methods inherited from HashFilter::Operation

#matches?

Constructor Details

#initialize(from, to) ⇒ Rename

# File 'lib/hash_filter/operation/rename.rb', line 5

def initialize(from, to)
  super(from)
  @to = to
end

Instance Method Details

#execute(hash, old) ⇒ Object

# File 'lib/hash_filter/operation/rename.rb', line 10

def execute(hash, old)
  new = old.gsub(@key, @to)
  hash[new] = hash.delete(old)
end