# Exception by throw

**URL:** <https://www.ruby-forum.com/t/exception-by-throw/151098>\
**Category:** Development\
**Created:** [October 16, 2008, 7:42pm UTC](https://www.ruby-forum.com/t/exception-by-throw/151098 "2008-10-16T19:42:03Z")\
**Posts on this page:** 4\
**Page:** 1

<div class="post-metadata">

**Author:** ![Tanaka\_A](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/c67d28/32.png) [@Tanaka\_A](https://www.ruby-forum.com/u/Tanaka_A)\
**Post date:** [October 16, 2008, 7:42pm UTC](https://www.ruby-forum.com/t/exception-by-throw/151098/1 "2008-10-16T19:42:03Z")

</div>

e$B$U$H5$$,$D$$$?$s$G$9$,!"e(Bthrow e$B$GBP1~$9$ke(B catch  
e$B$,$J$$$H$-$Ne(B  
e$BNc30$,JQ2=$7$F$$$^$9!#e(B

% ./ruby -e ‘throw “a”’  
-e:1:in `throw': uncaught throw "a" (ArgumentError) from -e:1:in`’

% ruby-1.8 -e ‘throw “a”’  
-e:1:in `throw': uncaught throw`a’ (NameError)  
from -e:1

e$B$3$l$O0U?^$5$l$?$b$N$G$7$g$&$+!#e(B

---

<div class="post-metadata">

**Author:** ![Tanaka\_A](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/c67d28/32.png) [@Tanaka\_A](https://www.ruby-forum.com/u/Tanaka_A)\
**Post date:** [October 18, 2008, 3:05pm UTC](https://www.ruby-forum.com/t/exception-by-throw/151098/2 "2008-10-18T15:05:42Z")

</div>

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In message “Re: [ruby-dev:36763] Re: exception by throw”  
on Fri, 17 Oct 2008 19:31:33 +0900, Yukihiro M.  
[removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) writes:

||e$B$U$H5$$,$D$$$?$s$G$9$,!“e(Bthrow e$B$GBP1~$9$ke(B catch e$B$,$J$$$H$-$Ne(B  
||e$BNc30$,JQ2=$7$F$$$^$9!#e(B  
||  
||% ./ruby -e ‘throw “a”’  
||-e:1:in `throw': uncaught throw "a" (ArgumentError) || from -e:1:in `’  
||  
||% ruby-1.8 -e ‘throw “a”’  
||-e:1:in `throw': uncaught throw `a’ (NameError)  
|| from -e:1  
||  
||e$B$3$l$O0U?^$5$l$?$b$N$G$7$g$&$+!#e(B  
|  
|e$B$O$$!#e(BNameErrore$B$OJQ?t!”%a%=%C%I!“Dj?t$,B8:\_$7$J$$6ILL$K8BDj$7e(B  
|e$B$h$&$H;W$C$F$N$3$H$G$9!#$J$s$i$+$N8\_49@-LdBj$,$”$l$P!":F8!F$e(B  
|e$B$7$^$9$,!#e(B

e$B:#2s$N;XE&$r\<u$1$F!"2~$a$F9M$($F$_$?$N$G$9$,!“e(Bcatch/throwe$B$N%ie(B  
e$B%Y%k$be(BNameErrore$B$NBP\>]$K4^$a$F$^$:$$$3$H$O$J$$$N$G!”$`$d$_$Ke(B  
1.8e$B$H$NHs8\_49@-$rA}$9I,MW$b$J$$$N$G!"e(BArgumentErrore$B$+$ie(B  
NameErrore$B$KLa$=$&$H;W$$$^$9!#e(B

---

<div class="post-metadata">

**Author:** ![Tanaka\_A](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/c67d28/32.png) [@Tanaka\_A](https://www.ruby-forum.com/u/Tanaka_A)\
**Post date:** [October 18, 2008, 3:30pm UTC](https://www.ruby-forum.com/t/exception-by-throw/151098/3 "2008-10-18T15:30:20Z")

</div>

e$B$^$D$b$He(B e$B$f$-$R$m$G$9e(B

e$B$&$&!"FsE\>;0E\>$7$F$^$9e(B…e$B!#e(B

In message “Re: [ruby-dev:36782] Re: exception by throw”  
on Sat, 18 Oct 2008 22:04:08 +0900, Yukihiro M.  
[removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) writes:

||e$B$O$$!#e(BNameErrore$B$OJQ?t!"%a%=%C%I!"Dj?t$,B8:_$7$J$$6ILL$K8BDj$7e(B  
||e$B$h$&$H;W$C$F$N$3$H$G$9!#$J$s$i$+$N8\_49@-LdBj$,$“$l$P!”:F8!F$e(B  
||e$B$7$^$9$,!#e(B  
|  
|e$B:#2s$N;XE&$r\<u$1$F!"2~$a$F9M$($F$_$?$N$G$9$,!“e(Bcatch/throwe$B$N%ie(B  
|e$B%Y%k$be(BNameErrore$B$NBP\>]$K4^$a$F$^$:$$$3$H$O$J$$$N$G!”$`$d$\_$Ke(B  
|1.8e$B$H$NHs8\_49@-$rA}$9I,MW$b$J$$$N$G!"e(BArgumentErrore$B$+$ie(B  
|NameErrore$B$KLa$=$&$H;W$$$^$9!#e(B

e$B$H;W$C$F:n6H$r3+;O$7$?$N$G$9$,!"e(B1.9e$B$G$O!V%i%Y%k!W$,%7%s%%k$Ge(B  
e$B$J$$G$0U$N%\*%V%8%‘%/%H$r;H$($^$7$?e(B(equal?e$B$N4X78$G%A%’%C%/e(B)e$B!#e(B  
e$B$H$$$&$3$H$O!VL\>A0!W$G$O$J$$$o$1$G$9$M!#$D$^$j!"e(BNameErrore$B$O;He(B  
e$B$($^$;$s$M!#e(B

---

<div class="post-metadata">

**Author:** ![Tanaka\_A](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/c67d28/32.png) [@Tanaka\_A](https://www.ruby-forum.com/u/Tanaka_A)\
**Post date:** [October 17, 2008, 12:32pm UTC](https://www.ruby-forum.com/t/exception-by-throw/151098/4 "2008-10-17T12:32:42Z")

</div>

e$B$^$D$b$He(B e$B$f$-$R$m$G$9e(B

In message “Re: [ruby-dev:36758] exception by throw”  
on Fri, 17 Oct 2008 02:40:52 +0900, Tanaka A. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)  
writes:

|e$B$U$H5$$,$D$$$?$s$G$9$,!"e(Bthrow e$B$GBP1~$9$ke(B catch e$B$,$J$$$H$-$Ne(B  
|e$BNc30$,JQ2=$7$F$$$^$9!#e(B  
|  
|% ./ruby -e ‘throw “a”’  
|-e:1:in `throw': uncaught throw "a" (ArgumentError) | from -e:1:in `’  
|  
|% ruby-1.8 -e ‘throw “a”’  
|-e:1:in `throw': uncaught throw `a’ (NameError)  
| from -e:1  
|  
|e$B$3$l$O0U?^$5$l$?$b$N$G$7$g$&$+!#e(B

e$B$O$$!#e(BNameErrore$B$OJQ?t!“%a%=%C%I!“Dj?t$,B8:\_$7$J$$6ILL$K8BDj$7e(B  
e$B$h$&$H;W$C$F$N$3$H$G$9!#$J$s$i$+$N8\_49@-LdBj$,$”$l$P!”:F8!F$e(B  
e$B$7$^$9$,!#e(B