# Duck typing

**URL:** <https://www.ruby-forum.com/t/duck-typing/112526>\
**Category:** Development\
**Created:** [August 20, 2007, 5:17pm UTC](https://www.ruby-forum.com/t/duck-typing/112526 "2007-08-20T17:17:36Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![NAKAMURAS\_Hiroshi](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/n/f1d935/32.png) [@NAKAMURAS\_Hiroshi](https://www.ruby-forum.com/u/NAKAMURAS_Hiroshi)\
**Post date:** [August 20, 2007, 5:17pm UTC](https://www.ruby-forum.com/t/duck-typing/112526/1 "2007-08-20T17:17:36Z")

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[ruby-dev:31515] Re: Random e$B$h$j!#e(B

Tanaka A. wrote:

> duck typing e$B$NET9g\>e!“F1L\>$G5sF0$,0[$J$k%a%=%C%I$O$G$-$l$PHre(B  
> e$B$1$?$[$&$,$$$$$H;W$&$s$G$9$,!”$I$&$G$7$g$&$+!#e(B

duck  
typinge$B4XO"$N%M%?!#$3$J$$$@e(Bsoap4re$B$K!Ve(Bto\_xmle$B!W$H$$$&e(Bsignaturee$B$rMxMQ$7e(B  
e$B$?e(Bduck typinge$B$J5!G=$rF~$l$?$i!"e(BRailse$B$Ne(BActive  
Supporte$B$,e(B::Arraye$B$He(B::Hashe$B$Ke(B  
e$BDj5A$7$F$$$ke(Bto\_xmle$B%a%=%C%I$H\>WFM$7$^$7$?!#e(B

soap4re$B$,e(Bto\_xmle$B$K4|BT$7$F$$$?$N$OL50z?te(Bsignaturee$B$G!“e(BActive  
Supporte$B$Oe(B1e$B0z?te(B  
signaturee$B!Je(Bto\_xml(option)e$B!K$r4|BT$7$F$$$?$?$ae(Bcrashe$B$7$?$s$G$9$,!”$3$&$$$&e(B  
e$B$N!"e(Bduck typinge$BE\*$K$O$I$&$7$?$i$$$$$G$9$+$M!#e(Barity  
checke$BIU$-$Ne(B  
respond\_to?e$B$r:n$k$H$+!"e(Brespond\_to?e$B$OL50z?te(B or  
e$B%-!\<%o!\<%I0z?t$N$\_$N\>l9g$Ke(B  
truee$B$rJV$9$h$&$K$9$k$H$+!#e(B

e$B$=$l$K$7$F$b!"e(BRailse$BJ}LL$H$OAj@-$,0-$$!#e(B

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