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author | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-08-15 23:23:39 +0000 |
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committer | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2007-08-15 23:23:39 +0000 |
commit | 6175ca03be6d0d51359f9017123708987d0f5eb7 (patch) | |
tree | ecfcf6e79a21b1d25c3f6f42dd68ea0a14add89c /ruby_1_8_5/doc/forwardable.rd | |
parent | 80a56b248b2e9cfc95622aed98750df05a19f667 (diff) |
add tag v1_8_5_91v1_8_5_91
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_8_5_91@13046 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ruby_1_8_5/doc/forwardable.rd')
-rw-r--r-- | ruby_1_8_5/doc/forwardable.rd | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/ruby_1_8_5/doc/forwardable.rd b/ruby_1_8_5/doc/forwardable.rd new file mode 100644 index 0000000000..f9c8234761 --- /dev/null +++ b/ruby_1_8_5/doc/forwardable.rd @@ -0,0 +1,84 @@ + -- forwardable.rb + + $Release Version: 1.1 $ + $Revision: 1.2 $ + $Date: 2001/05/07 23:52:57 $ + Original version by Tosh + +=begin + += Forwardable + +A Module to define delegations for selected methods to a class. + +== Usage + +Using through extending the class. + + class Foo + extend Forwardable + + def_delegators("@out", "printf", "print") + def_delegators(:@in, :gets) + def_delegator(:@contents, :[], "content_at") + end + f = Foo.new + f.printf ... + f.gets + f.content_at(1) + +== Methods + +--- Forwardable#def_instance_delegators(accessor, *methods) + + adding the delegations for each method of ((|methods|)) to + ((|accessor|)). + +--- Forwardable#def_instance_delegator(accessor, method, ali = method) + + adding the delegation for ((|method|)) to ((|accessor|)). When + you give optional argument ((|ali|)), ((|ali|)) is used as the + name of the delegation method, instead of ((|method|)). + +--- Forwardable#def_delegators(accessor, *methods) + + the alias of ((|Forwardable#def_instance_delegators|)). + +--- Forwardable#def_delegator(accessor, method, ali = method) + + the alias of ((|Forwardable#def_instance_delegator|)). + += SingleForwardable + +a Module to define delegations for selected methods to an object. + +== Usage + +Using through extending the object. + + g = Goo.new + g.extend SingleForwardable + g.def_delegator("@out", :puts) + g.puts ... + +== Methods + +--- SingleForwardable#def_singleton_delegators(accessor, *methods) + + adding the delegations for each method of ((|methods|)) to + ((|accessor|)). + +--- SingleForwardable#def_singleton_delegator(accessor, method, ali = method) + + adding the delegation for ((|method|)) to ((|accessor|)). When + you give optional argument ((|ali|)), ((|ali|)) is used as the + name of the delegation method, instead of ((|method|)). + +--- SingleForwardable#def_delegators(accessor, *methods) + + the alias of ((|SingleForwardable#def_instance_delegators|)). + +--- SingleForwardable#def_delegator(accessor, method, ali = method) + + the alias of ((|SingleForwardable#def_instance_delegator|)). +=end |