Ruby
Array#split_with(something)
require 'rubygems'
require 'functor'
class Array
=begin
usage:
matches, non-matches = arr.split_with exp # where [Regexp, Proc, Array, Integer].include? exp
=end
def split_with(exp = nil, &block)
@_split_with_functor ||= Functor.new do
given(Regexp, Array) {|exp, arr| arr.select {|x| x =~ exp}}
given(Proc, Array) {|exp, arr| arr.select {|x| exp.call(x)}}
given(Array, Array) {|exp, arr| arr.select {|x| exp.include?(x)}}
given(Integer, Array) {|exp, arr| arr.select {|x| x.to_i < exp}}
end
matches = @_split_with_functor.call(exp || block,self)
[matches, self - matches]
end
end
require 'rubygems'
require 'functor'
class Array
=begin
usage:
matches, non-matches = arr.split_with exp # where [Regexp, Proc, Array, Integer].include? exp
=end
def split_with(exp = nil, &block)
@_split_with_functor ||= Functor.new do
given(Regexp, Array) {|exp, arr| arr.select {|x| x =~ exp}}
given(Proc, Array) {|exp, arr| arr.select {|x| exp.call(x)}}
given(Array, Array) {|exp, arr| arr.select {|x| exp.include?(x)}}
given(Integer, Array) {|exp, arr| arr.select {|x| x.to_i < exp}}
end
matches = @_split_with_functor.call(exp || block,self)
[matches, self - matches]
end
end
Refactorings
No refactoring yet !
Jeff Berg
August 6, 2008,
August 06, 2008 19:45,
permalink
3 ratings.
Login to rate!
arr = ['aa', 'ab', 'bb', 'bc']
arr.partition { |a| a =~ /a/ }
August 6, 2008,
August 06, 2008 19:54,
permalink
No rating.
Login to rate!
This started out as "wouldn't it be cool if I could split an array into two arrays based on a regexp match?" The rest may be .... something not very useful.