Sha256: 1cf2d7b4bfafa82a73dc9e0be1a9ae5ef0dcc6c5d1f29b12ec2dcd1541ea3cd5
Contents?: true
Size: 901 Bytes
Versions: 26
Compression:
Stored size: 901 Bytes
Contents
class Array
# Returns the index range between two elements.
# If no elements are given, returns the range
# from first to last.
#
# ['a','b','c','d'].range #=> 0..3
# ['a','b','c','d'].range('b','d') #=> 1..2
#
#--
# This could surely use a little error catch code (todo).
#++
def range(a=nil,z=nil)
if !a
0..self.length-1
else
index(a)..index(z)
end
end
end
# _____ _
# |_ _|__ ___| |_
# | |/ _ \/ __| __|
# | | __/\__ \ |_
# |_|\___||___/\__|
#
=begin test
require 'test/unit'
class TCArray < Test::Unit::TestCase
def test_range
a = [1,2,3,4,5]
b = [1,2,3,4,5,6]
assert_equal( (0..4), a.range )
assert_equal( (0..5), b.range )
assert_equal( (1..3), a.range(2,4) )
assert_equal( (1..2), b.range(2,3) )
assert_equal( (3..1), b.range(4,2) )
end
end
=end
Version data entries
26 entries across 26 versions & 1 rubygems