Sha256: bdb218a5a63535960687576b72a7d90072e8bc56e1a17f9bba62749e18aa81e6
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Contents
# Copyright (c) 2008 Michael Fellinger m.fellinger@gmail.com # All files in this distribution are subject to the terms of the Ruby license. module Ramaze module CoreExtensions # Extensions for Array module Array # a = [1, 2, 3] # a.put_within(4, :after => 2, :before => 3) # a # => [1, 2, 4, 3] def put_within(object, constrain) pre, post = constrain.values_at(:after, :before) return put_after(pre, object) if rindex(post) - index(pre) == 1 raise ArgumentError, "Too many elements within constrain" end # a = [1, 2, 3] # a.put_after(2, 4) # a # => [1, 2, 4, 3] def put_after(element, object) return self[index(element) + 1, 0] = object if include?(element) raise ArgumentError, "The given element doesn't exist" end # a = [1, 2, 3] # a.put_before(2, 4) # a # => [1, 4, 2, 3] def put_before(element, object) return self[rindex(element), 0] = object if include?(element) raise ArgumentError, "The given element doesn't exist" end end end end
Version data entries
44 entries across 44 versions & 5 rubygems