Sha256: 7fbd36629918afd0f95823ca08722ea5a9c99e871050532244e0578f26f3c94f
Contents?: true
Size: 1.37 KB
Versions: 20
Compression:
Stored size: 1.37 KB
Contents
require 'delegate'
class Module
# Include a module via a specified namespace.
#
# module T
# def t ; "HERE" ; end
# end
#
# class X
# include_as :test => T
# def t ; test.t ; end
# end
#
# X.new.t #=> "HERE"
#
def include_as( h )
h.each{ |name, mod|
s = self
c = Class.new(SimpleDelegator) {
include mod
define_method(:initialize) { |s| super(s) }
}
class_eval {
define_method( name ) {
instance_variable_set( "@#{name}", instance_variable_get( "@#{name}" ) || c.new(s) )
}
}
}
end
end
# _____ _
# |_ _|__ ___| |_
# | |/ _ \/ __| __|
# | | __/\__ \ |_
# |_|\___||___/\__|
#
=begin test
require 'test/unit'
class TCModule < Test::Unit::TestCase
module MockModule
def mm; 77; end
end
class MockObject
include_as :mod => MockModule
end
def test_include_as
m = MockObject.new
assert_equal( 77, m.mod.mm )
end
end
=end
# devlopment testing
=begin
if __FILE__ == $0
# test
module T
def t ; p self ; end
def r ; p self ; end
def q ; super ; end
end
class N
def q ; puts "ho" ; end
end
class X < N
include_as :test => T
def n ; p test ; end
def m ; test.t ; end
def o ; test.r ; end
end
x = X.new
x.n
x.m
x.o
x.q
end
=end
Version data entries
20 entries across 20 versions & 1 rubygems