Sha256: f39a7c283388c6533f77520113206b1de61654fbc91370f9c079e2f58d765522
Contents?: true
Size: 816 Bytes
Versions: 21
Compression:
Stored size: 816 Bytes
Contents
unless Enumerable.method_defined? :slice_after
require 'backports/tools/arguments'
require 'backports/1.9.1/enumerator/new'
module Enumerable
def slice_after(pattern = Backports::Undefined, &block)
raise ArgumentError, 'both pattern and block are given' if pattern != Backports::Undefined && block
raise ArgumentError, 'wrong number of arguments (given 0, expected 1)' if pattern == Backports::Undefined && !block
enum = self
block ||= Proc.new{|elem| pattern === elem}
Enumerator.new do |y|
acc = []
enum.each do |*elem|
elem = elem.first if elem.length == 1
acc << elem
if block.call(elem)
y.yield acc
acc = []
end
end
y.yield acc unless acc.empty?
end
end
end
end
Version data entries
21 entries across 21 versions & 3 rubygems