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Contents
require 'facets/indexable'
require 'facets/array/splice'
class Array
include Indexable
# Alias for shift, which removes and returns
# the first element in an array.
#
# a = ["a","y","z"]
# a.first! #=> "a"
# p a #=> ["y","z"]
#
# CREDIT: Trans
alias_method :first!, :shift
# Alias for pop, which removes and returns
# the last element in an array.
#
# a = [1,2]
# a.last! 3
# p a #=> [1,2,3]
#
# CREDIT: Trans
alias_method :last!, :pop
#
#
#alias_method :/, :[]
=begin
# TODO Probably not best to overide store and fetch operators. Rename?
# Modifies #[] to also accept an array of indexes.
#
# a = ['a','b','c','d','e','f']
#
# a[[1]] #=> ['b']
# a[[1,1]] #=> ['b','b']
# a[[1,-1]] #=> ['b','f']
# a[[0,2,4]] #=> ['a','c','e']
#
def [](*args)
return values_at(*args.at(0)) if Array === args.at(0)
return slice(*args)
end
# Modifies #[]= to accept an array of indexes for assignment.
#
# a = ['a','b','c','d']
#
# a[[1,-1]] = ['m','n'] #=> ['m','n']
# a #=> ['a','m','c','n']
#
def []=(*args)
if Array === args.at(0)
idx,vals = args.at(0),args.at(1)
idx.each_with_index{ |a,i| store(a,vals.at(i)) }
return values_at( *idx )
else
return store(*args)
end
end
end
=end
end
Version data entries
7 entries across 7 versions & 2 rubygems