# Break in lambda

**URL:** <https://www.ruby-forum.com/t/break-in-lambda/137270>\
**Category:** Development\
**Created:** [May 11, 2008, 8:14am UTC](https://www.ruby-forum.com/t/break-in-lambda/137270 "2008-05-11T08:14:08Z")\
**Posts on this page:** 6\
**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:** [May 11, 2008, 8:14am UTC](https://www.ruby-forum.com/t/break-in-lambda/137270/1 "2008-05-11T08:14:08Z")

</div>

lambda e$BD\>2\<$Ke(B break e$B$,$"$C$?$H$-!"$J$K$4$H$b$J$+$C$?$+$N$h$&e(B  
e$B$K$=$3$rDL$j2a$.$k$N$OJQ$G$O$J$$$G$7$g$&$+!#e(B

statement not reached e$B$H$$$&7Y9p$b=P$^$9$7!#e(B

% ./ruby -ve ’  
lambda {  
p 1  
break  
p 2  
}.call  
’  
ruby 1.9.0 (2008-05-11 revision 16355) [i686-linux]  
-e:4: warning: statement not reached  
1  
2

---

<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:** [May 12, 2008, 12:51pm UTC](https://www.ruby-forum.com/t/break-in-lambda/137270/2 "2008-05-12T12:51:36Z")

</div>

e$B%o%J%Y$H?=$7$^$9!#e(B

2008/05/11 15:13 Tanaka A. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):

> lambda e$BD\>2\<$Ke(B break e$B$,$“$C$?$H$-!”$J$K$4$H$b$J$+$C$?$+$N$h$&e(B  
> e$B$K$=$3$rDL$j2a$.$k$N$OJQ$G$O$J$$$G$7$g$&$+!#e(B

e$B\<+?.$O$"$j$^$;$s$,!"B?J,$3$l$G$$$$$N$G$O$J$$$+$H;W$$$^$9!#e(B

# Index: vm\_insnhelper.c

— vm\_insnhelper.c (revision 16344)  
+++ vm\_insnhelper.c (working copy)  
@@ -1238,7 +1238,7 @@  
if (VM\_FRAME\_TYPE(cfp) == FRAME\_MAGIC\_LAMBDA) {  
/\* lambda{… break …} \*/  
is\_orphan = 0;

- 

```
   pt = dfp;

```

- 

```
   pt = GC_GUARDED_PTR_REF((VALUE *) *dfp);

```

}  
else {  
dfp = GC\_GUARDED\_PTR\_REF((VALUE \*) \*dfp);

---

<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:** [May 13, 2008, 3:01am UTC](https://www.ruby-forum.com/t/break-in-lambda/137270/3 "2008-05-13T03:01:05Z")

</div>

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

In message “Re: [ruby-dev:34658] Re: break in lambda”  
on Mon, 12 May 2008 19:50:42 +0900, wanabe [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)  
writes:

|2008/05/11 15:13 Tanaka A. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):  
|\> lambda e$BD\>2\<$Ke(B break e$B$,$“$C$?$H$-!”$J$K$4$H$b$J$+$C$?$+$N$h$&e(B  
|\> e$B$K$=$3$rDL$j2a$.$k$N$OJQ$G$O$J$$$G$7$g$&$+!#e(B  
|  
|e$B\<+?.$O$"$j$^$;$s$,!"B?J,$3$l$G$$$$$N$G$O$J$$$+$H;W$$$^$9!#e(B

e$B$5$5$@$/$s$5$(NI$1$l$P%3%\_%C%H$7$^$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:** [May 13, 2008, 8:43am UTC](https://www.ruby-forum.com/t/break-in-lambda/137270/4 "2008-05-13T08:43:27Z")

</div>

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

In message “Re: [ruby-dev:34670] Re: break in lambda”  
on Tue, 13 May 2008 11:45:09 +0900, SASADA Koichi [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)  
writes:

|\> e$B$5$5$@$/$s$5$(NI$1$l$P%3%\_%C%H$7$^$9!#e(B  
|  
|e$B!!;d$b\<+?.$,$"$j$^$;$s$,!$8!\>Z$9$kM\>M5$,$J$$$N$G$\*G$$;$7$^$9!%%F%9%He(B  
|e$B$ODL$C$F$$$k$s$G$9$h$M!)e(B

e$B$8$c$“!”%o%J%Y$5$s$K%3%\_%C%H8"$,$H$I$$$?$i%A%'%C%/%$%s$7$F$$e(B  
e$B$?$@$/$H$$$&$3$H$G!#e(B

|e$B!!3NG’$G$9$,!$e(Blambda e$BCf$Ne(B break e$B$O!$e(Breturn e$B$HF1Ey$G$$$$$s$G$7$?$C$1!%e(B

e$B$O$$!#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:** [May 13, 2008, 9:35am UTC](https://www.ruby-forum.com/t/break-in-lambda/137270/5 "2008-05-13T09:35:43Z")

</div>

e$B!!$5$5$@$G$9!%e(B

Yukihiro M. wrote:

> e$B$8$c$"!"%o%J%Y$5$s$K%3%\_%C%H8"$,$H$I$$$?$i%A%’%C%/%$%s$7$F$$e(B  
> e$B$?$@$/$H$$$&$3$H$G!#e(B

e$B!!$"$j$c!$$9$\_$^$;$s!%$9$G$KFO$$$F$$$k$H;W$C$F$$$^$7$?!%e(B

> |e$B!!3NG’$G$9$,!$e(Blambda e$BCf$Ne(B break e$B$O!$e(Breturn e$B$HF1Ey$G$$$$$s$G$7$?$C$1!%e(B
> 
> e$B$O$$!#e(B

e$B!!$3$N$"$?$j!$5nG/@0M}$7$?$O$:$J$N$K!$$^$@;D$C$F$$$k$H8@$&$3$H$O!$%Fe(B  
e$B%9%H$,IT==J,$@$C$?$H$$$&$3$H$J$s$G$7$g$&$M!%$3$A$i$b$9$\_$^$;$s!%:n$Ce(B  
e$B$?8e$G!$B\>$NJQ99$,1F6A$7$?$N$+$J!%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:** [May 13, 2008, 4:45am UTC](https://www.ruby-forum.com/t/break-in-lambda/137270/6 "2008-05-13T04:45:55Z")

</div>

e$B!!$5$5$@$G$9!%e(B

Yukihiro M. wrote:

> |e$B\<+?.$O$"$j$^$;$s$,!"B?J,$3$l$G$$$$$N$G$O$J$$$+$H;W$$$^$9!#e(B
> 
> e$B$5$5$@$/$s$5$(NI$1$l$P%3%\_%C%H$7$^$9!#e(B

e$B!!;d$b\<+?.$,$"$j$^$;$s$,!$8!\>Z$9$kM\>M5$,$J$$$N$G$\*G$$;$7$^$9!%%F%9%He(B  
e$B$ODL$C$F$$$k$s$G$9$h$M!)e(B

e$B!!3NG’$G$9$,!$e(Blambda e$BCf$Ne(B break e$B$O!$e(Breturn  
e$B$HF1Ey$G$$$$$s$G$7$?$C$1!%e(B