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spalladino/array_first_with_block.rb

Created June 14, 2013 21:39
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Array#first redefinition so it can accept a block and behave like find, for compatibility with .NET LINQ programmers
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array_first_with_block.rb
class Array
def first_with_block(&block)
block_given? ? find(&block) : first_without_block
end
alias_method_chain :first, :block
end
# 1.9.3p0 :009 > [1,2,3,4,5].first{|x| x > 2}
# => 3
# 1.9.3p0 :010 > [1,2,3,4,5].first
# => 1
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spalladino commented Jun 14, 2013

Works only in Rails (due to alias_method_chain)

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