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yuki24/array_to_proc.rb

Created January 1, 2015 16:37
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Array#to_proc
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array_to_proc.rb
class Array
def to_proc
->(obj) { obj[first] }
end unless method_defined?(:to_proc)
end
users = [
{name: "Matz"},
{name: "DHH"},
{name: "Yuki"}
]
users.map(&[:name])
# => ["Matz", "DHH", "Yuki"]
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