Sha256: 34719a59280cfbe8ab8cda1412ac37c14293fc3bd1f20877e4fad96d96c27100
Contents?: true
Size: 696 Bytes
Versions: 24
Compression:
Stored size: 696 Bytes
Contents
# encoding: utf-8
# Array
class Array
# exchange arrays elements
#
# === Example
#
# [*1..6].exchange!(1, 5) # => [1, 6, 3, 4, 5, 2]
# [*1..6].exchange!(1, -1) # => [1, 6, 3, 4, 5, 2]
# [*1..6].exchange!(1, 6) # => [*1..6]
# [].exchange!(1, 2) # => []
#
def exchange!(one_index, other_index)
return self unless one_index.respond_to? :to_i
return self unless other_index.respond_to? :to_i
one_index = one_index.to_i
other_index = other_index.to_i
return self if one_index.abs >= size
return self if other_index.abs >= size
tmp_one = self[one_index]
self[one_index] = self[other_index]
self[other_index] = tmp_one
self
end
end
Version data entries
24 entries across 24 versions & 1 rubygems