Sha256: 07274f0bdabefc21f9192cd98ed08a2de1edacc3f85c3732949d2c4db59711b8
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Size: 1.04 KB
Versions: 9
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Contents
class Array
# Delete multiple values from array given
# indexes or index range.
#
# a = [1,2,3,4]
# a.delete_values_at(1,2) #=> [2,3]
# a #=> [1,4]
# a = [1,2,3,4]
# a.delete_values_at(0..2) #=> [1,2,3]
# a #=> [4]
#
def delete_values_at(*selectors)
idx = []
selectors.each{ |i|
case i
when Range
idx.concat( i.to_a )
else
idx << i.to_i
end
}
idx.uniq!
dvals = values_at(*idx)
idx = (0...size).to_a - idx
self.replace( values_at(*idx) )
return dvals
end
end
# _____ _
# |_ _|__ ___| |_
# | |/ _ \/ __| __|
# | | __/\__ \ |_
# |_|\___||___/\__|
#
=begin test
require 'test/unit'
class TCArray < Test::Unit::TestCase
def test_delete_values_at
a = [1,2,3,4]
assert_equal( [2,3], a.delete_values_at(1,2) )
assert_equal( [1,4], a )
a = [1,2,3,4]
assert_equal( [1,2,3], a.delete_values_at(0..2) )
assert_equal( [4], a )
end
end
=end
Version data entries
9 entries across 9 versions & 1 rubygems