Sha256: de31180193ed72518f8cff4267f0b8b6cf41840f7c97cc6431ed151c482495ef
Contents?: true
Size: 854 Bytes
Versions: 26
Compression:
Stored size: 854 Bytes
Contents
class String
# Return a random byte of _self_.
#
# "Ruby rules".rand_byte #=> 121
#
def rand_byte
self[rand( size )]
end
# Destructive rand_byte. Delete a random byte of _self_ and return it.
#
# s = "Ruby rules"
# s.rand_byte! #=> 121
# s #=> "Rub rules"
#
def rand_byte!
i = rand( size )
rv = self[i,1]
self[i,1] = ''
rv
end
end
# _____ _
# |_ _|__ ___| |_
# | |/ _ \/ __| __|
# | | __/\__ \ |_
# |_|\___||___/\__|
#
=begin test
require 'test/unit'
class TCString < Test::Unit::TestCase
def test_rand_byte
s = 'ab'
r = s.rand_byte
assert( r == 97 || r == 98 )
end
def test_rand_byte
s = 'ab'
r = s.rand_byte
assert( r == 97 || r == 98 )
assert( s = 'a' || s = 'b' )
end
end
=end
Version data entries
26 entries across 26 versions & 1 rubygems