Sha256: 416c0f1c098bfbfbf4de4816277dd31ca8259a9cabafe98349c9cfa0f2eff60c
Contents?: true
Size: 765 Bytes
Versions: 26
Compression:
Stored size: 765 Bytes
Contents
class Array
# Returns the middle element(s) of an array. Even-sized arrays,
# not having an exact middle, returns a two-element array
# of the two middle elements.
#
# [1,2,3,4,5].mid #=> 3
# [1,2,3,4,5,6].mid #=> [3,4]
#
# In contrast to #mid which utilizes an offset.
def middle
if size % 2 == 0
[ at((size/2)-1), at(size/2) ]
else
at(size/2)
end
end
end
# _____ _
# |_ _|__ ___| |_
# | |/ _ \/ __| __|
# | | __/\__ \ |_
# |_|\___||___/\__|
#
=begin test
require 'test/unit'
class TCArray < Test::Unit::TestCase
def test_middle
a = [1,2,3,4,5]
b = [1,2,3,4,5,6]
assert_equal( 3, a.middle )
assert_equal( [3,4], b.middle )
end
end
=end
Version data entries
26 entries across 26 versions & 1 rubygems