Sha256: 80995a65333006ce19c1da0b9b5ad09a82c04c0250c320b5a6628835a7112cc3

Contents?: true

Size: 513 Bytes

Versions: 47

Compression:

Stored size: 513 Bytes

Contents

unless Enumerable.method_defined? :first
  require 'backports/tools/arguments'

  module Enumerable
    def first(n = Backports::Undefined)
      if n == Backports::Undefined
        each{|obj| return obj}
        nil
      else
        n = Backports.coerce_to_int(n)
        raise ArgumentError, "attempt to take negative size: #{n}" if n < 0
        array = []
        each do |elem|
          array << elem
          break if array.size >= n
        end unless n == 0
        array
      end
    end
  end
end

Version data entries

47 entries across 47 versions & 4 rubygems

Version Path
backports-3.6.7 lib/backports/1.8.7/enumerable/first.rb
backports-3.6.6 lib/backports/1.8.7/enumerable/first.rb
backports-3.6.5 lib/backports/1.8.7/enumerable/first.rb
backports-3.6.4 lib/backports/1.8.7/enumerable/first.rb
backports-3.6.3 lib/backports/1.8.7/enumerable/first.rb
backports-3.6.2 lib/backports/1.8.7/enumerable/first.rb
backports-3.6.1 lib/backports/1.8.7/enumerable/first.rb