# Forwardable in trunk

**URL:** <https://www.ruby-forum.com/t/forwardable-in-trunk/148102>\
**Category:** Development\
**Created:** [September 9, 2008, 11:06am UTC](https://www.ruby-forum.com/t/forwardable-in-trunk/148102 "2008-09-09T11:06:57Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![casper\_the\_ghost](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/58956e/32.png) [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\
**Post date:** [September 9, 2008, 11:06am UTC](https://www.ruby-forum.com/t/forwardable-in-trunk/148102/1 "2008-09-09T11:06:57Z")

</div>

e$B$1$$$8$e!w$$$7$D$+$G$9e(B.

trunke$B$KF~$C$F$$$ke(B Forwardable e$B$G$9$,e(B,  
e$B%\*%j%8%J%k$N0U?^$,\<B8=$G$-$F$$$^e(B  
e$B$;$se(B.

# e$BJQ$o$C$F$$$k$3$H$KD9$$4V5$$,IU$+$J$+$C$?$N$bLdBj$G$9$,e(B(^^;;

trunke$B$NHG$G$Oe(B, SingleForwardable e$B$r$J$/$7$Fe(B, Forwardable  
e$B$GBeMQ$7$F$$e(B  
e$B$^$9$,e(B, e$B$3$l$G$O85$N?6$kIq$$$HF1$8$K$O$G$-$^$;$se(B.

e$B$D$^$je(B,

class A  
def\_single\_delegator :@ForwardingClass, :single\_method  
end

e$B$NMM$J$3$H$,$G$-$^$;$se(B.

trunk e$B$NJ}$G$Oe(B,

class A  
def\_delegator :@ForwardingClass, :single\_method  
end

e$B$HF1$8$K$J$je(B, e$B5a$a$k7k2L$K$J$i$J$$$G$9e(B.

e$B$H$$$&$o$1$Ge(B, trunke$B$KF~$C$F$$$ke(B forwardable  
e$B$OA0Dse(B(Forwardablee$B$He(B  
SingleForwardablee$B$r$$$C$7$g$K$G$-$k$H$$$&$3$He(B)e$B$+$i4V0c$C$F$$$k$N$Ge(B,  
e$B3He(B  
e$BD%$5$l$F$$$kItJ,$r=|$$$F85$N$b$N$KLa$7$?$$$N$G$9$,e(B?

\_\_  
----------------------------------------------------\>\> e$B@PDMe(B  
e$B7=\<ye(B \<\<—  
----------------------------------\>\> e-mail: removed\_email\_address@domain.invalid \<\<—

---

<div class="post-metadata">

**Author:** ![casper\_the\_ghost](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/c/58956e/32.png) [@casper\_the\_ghost](https://www.ruby-forum.com/u/casper_the_ghost)\
**Post date:** [November 12, 2008, 10:27am UTC](https://www.ruby-forum.com/t/forwardable-in-trunk/148102/2 "2008-11-12T10:27:20Z")

</div>

e$B$1$$$8$e!w$$$7$D$+$G$9e(B.

e$B$:$$$V$s$?$C$F$7$^$$$^$7$?$,e(B…

In [ruby-dev :36228] the message: "[ruby-dev:36228] forwardable in  
trunk ", on Sep/09 17:59(JST) Keiju ISHITSUKA writes:

> trunke$B$NHG$G$Oe(B, SingleForwardable e$B$r$J$/$7$Fe(B, Forwardable e$B$GBeMQ$7$F$$e(B  
> e$B$^$9$,e(B, e$B$3$l$G$O85$N?6$kIq$$$HF1$8$K$O$G$-$^$;$se(B.

> e$B$H$$$&$o$1$Ge(B, trunke$B$KF~$C$F$$$ke(B forwardable e$B$OA0Dse(B(Forwardablee$B$He(B  
> SingleForwardablee$B$r$$$C$7$g$K$G$-$k$H$$$&$3$He(B)e$B$+$i4V0c$C$F$$$k$N$Ge(B, e$B3He(B  
> e$BD%$5$l$F$$$kItJ,$r=|$$$F85$N$b$N$KLa$7$?$$$N$G$9$,e(B?

e$B85$KLa$9$N$O4JC1$J$N$G$9$,e(B…

trunke$B$KF~$C$F$$$k$b$N$K$J$C$?M}M3$Oe(B,  
e$B%\*%j%8%J%k$,e(BForwardablee$B$He(B  
SingleForwardablee$B$G$[$H$s$IF1$8%3!\<%I$K$J$C$F$$$k$N$,5$$K$/$o$J$+$C$?e(B  
e$B$N$+$J$H?dB,$G$-$^$9e(B. e$B$=$l$bJ,$+$i$J$/$b$J$$$N$Ge(B,  
Forwardablee$B$He(B  
SingleForwardablee$B$GE,EY$K6&M-$G$-$k$&$^$$J}K!$O$J$$$+$J$H9M$($F$$$k$Ne(B  
e$B$G$9$,e(B, e$B$J$+$J$+Fq$7$$$G$9e(B…

e$BMW5a$H$7$F$Oe(B, e$BEv$?$jA0$G$9$,e(BForwardable, SingleForwardable  
e$B$,$A$c$s$He(B  
e$BF0:n$9$k$3$H$Ge(B, e$B:#$Ne(Btrunke$B$K$"$k$h$&$Ke(B  
e$B%/%i%9$KBP$7$Fe(B  
def\_single\_delegatore$B=PMh$J$$$N$Oe(BNGe$B$G$9e(B. e$B$5$i$Ke(B,

class Foo  
extend Forwardable  
extend SingleForwardable

def\_instance\_delegator …  
def\_single\_delegator …

e$B$NMQ$K$J$C$F$$$F$bN\>\<T$,Dj5A$G$-$k$3$H$G$9e(B.

e$B2?$+%(%l%,%s%H$J2r7h0F$J$$$G$7$g$&$+e(B?

\_\_  
----------------------------------------------------\>\> e$B@PDMe(B  
e$B7=\<ye(B \<\<—  
----------------------------------\>\> e-mail: removed\_email\_address@domain.invalid \<\<—