Sha256: a56ebabcb787cc3c2e1675e0b37d4b3bdbc1a3b1e7c2f861e3f74313bf92f00b
Contents?: true
Size: 1001 Bytes
Versions: 8
Compression:
Stored size: 1001 Bytes
Contents
class Array
# CREDIT Daniel Schierbeck
# Inverse of #delete_if.
def delete_unless(&block)
delete_if { |element| not block.call(element) }
end
# Delete multiple values from array.
#
# a = [1,2,3,4]
# a.delete_values(1,2) #=> [1,2]
# a #=> [3,4]
#
def delete_values(*values)
d = []
values.each{ |v| d << delete(v) }
d
end
# 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
Version data entries
8 entries across 8 versions & 1 rubygems