Sha256: 2f255d66d898cf154e6c25a6e63b6506671a38d989791aeb09a290e82763d1bb
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Versions: 11
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Stored size: 1.55 KB
Contents
# = AutoArray
#
# An Array that automatically expands dimensions as needed.
#
# a = Autoarray.new
# a[1][2][3] = 12
# a #=> [nil, [nil, nil, [nil, nil, nil, 12]]]
# a[2][3][4] #=> []
# a #=> [nil, [nil, nil, [nil, nil, nil, 12]]]
# a[1][-2][1] = "Negative"
# a #=> [nil, [nil, [nil, "Negative"], [nil, nil, nil, 12]]]
#
# == Authors
#
# * Brian Schröder
#
# == License
#
# Copyright (c) 2005 Brian Schröder
#
# Ruby License
#
# This module is free software. You may use, modify, and/or redistribute this
# software under the same terms as Ruby.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.
# = AutoArray
#
# An Array that automatically expands dimensions as needed.
#
# a = Autoarray.new
# a[1][2][3] = 12
# a #=> [nil, [nil, nil, [nil, nil, nil, 12]]]
# a[2][3][4] #=> []
# a #=> [nil, [nil, nil, [nil, nil, nil, 12]]]
# a[1][-2][1] = "Negative"
# a #=> [nil, [nil, [nil, "Negative"], [nil, nil, nil, 12]]]
#
class Autoarray < Array
def initialize(size=0, default=nil, update = nil, update_index = nil)
super(size, default)
@update, @update_index = update, update_index
end
def [](k)
if -self.length+1 < k and k < self.length
super(k)
else
Autoarray.new(0, nil, self, k)
end
end
def []=(k, v)
@update[@update_index] = self if @update and @update_index
super
end
end
Version data entries
11 entries across 11 versions & 2 rubygems