retry$B$N;H$$J}(B

Ruby Development
41

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

In message “Re: [ruby-dev:31425] Re: retrye$B$N;H$$J}e(B”
on Thu, 16 Aug 2007 00:09:23 +0900, Tanaka A. [email protected]
writes:

|retry e$B$r9MN8$7$?>l9g!"%a%=%C%I$N%i%C%Q!<$O$I$&Dj5A$9$k$N$,$he(B
|e$B$$$G$7$g$&$+e(B?
|(e$BMQES$H$7$F$O!"e(BDRb e$B$_$?$$$J$N$H$+e(B)

e$B$“$”!"$=$&$+!#$=$&$$$&$N$O=q$1$J$$$G$9$M!#Nc30$rAw$m$&$K$bJde(B
e$BB->l=j$,$J$$$o$1$G$9$7!#e(B

42

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

In message “Re: [ruby-dev:31452] Re: retrye$B$N;H$$J}e(B”
on Fri, 17 Aug 2007 16:58:29 +0900, SASADA Koichi [email protected]
writes:

|> e$B8e<T$G$9!#e(Bwhilee$B$J$I$NCf$G$Ne(Bretrye$B$O%k!<%W@hF,$K%8%c%s%W$7$^$9!#e(B
|> e$B$3$l$O%I%-%e%a%s%H$K=q$$$F$"$k$O$:!#e(B
|
|e$B!!$7$^$;$s!#e(B

e$B$$$d$s!#BP1~M=Dj$O$J$7!)e(B
e$B$3$l$b$J$K$+LdBj$"$j$+$J!)e(B

43

In article E1ILKn6-0003Nv-0f@x31,
Yukihiro M. [email protected] writes:

e$B$“$”!"$=$&$+!#$=$&$$$&$N$O=q$1$J$$$G$9$M!#Nc30$rAw$m$&$K$bJde(B
e$BB->l=j$,$J$$$o$1$G$9$7!#e(B

e$BB8:_$9$k$@$1$G<~0O$KLdBj$r0z$-5/$3$7!"$+$D!“Lr$KN)$DNc$b=P$Fe(B
e$B$3$J$$!”$I$&$7$h$&$b$J$$5!G=$O:o=|$9$Y$-$@$H;W$$$^$9!#e(B

44

In article E1ILyGa-0000ug-Qd@x31,
Yukihiro M. [email protected] writes:

e$B$(!<$C$H!“e(B…e$B$”$C!"$9$_$^$;$s!#4*0c$$$G$7$?!#e(B
redoe$B$H:.F1$7$F$$$?$H$$$&!#e(B

e$B$G$O!"$b$&0lEY?R$M$^$9!#e(B
e$B!V4X?t%H%C%W%l%Y%k!W$C$F$J$s$G$9$+e(B?

45

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

In message “Re: [ruby-dev:31461] Re: retrye$B$N;H$$J}e(B”
on Sat, 18 Aug 2007 00:27:59 +0900, Tanaka A. [email protected]
writes:

|e$B%I%-%e%a%s%H$rD4$Y$?$H$-$K!"8=:$Ne(B retry e$B$,e(B for e$B$K8z$/$H$$$&e(B
|e$B$3$H$rCN$C$F$7$^$C$?$N$G$9$,!"e(Bfor e$B$KBP$9$ke(B retry e$B$O6X;$NJ}e(B
|e$B8~$G$9$+e(B?

fore$B$Oe(Beache$B$N%V%m%C%/IU$-8F$S=P$7$HFbItE*$K$O$[$\F1$8$J$N$G!“%Ve(B
e$B%m%C%/$NCf$G$Ne(Bretrye$B$H0lO!Bq@8$G$9$M!#:#$N$H$3$m!”%V%m%C%/$Ne(B
e$BCf$G$Ne(Bretrye$B$r6X;_$9$kM=Dj$O$"$j$^$;$s!#$3$C$A$O<BAu$G$-$F$ke(B
e$B$7!#e(B

e$B$,!“$=$NLrL$Oe(Bredoe$B$GF1$8$3$H$,$G$-$k$N$G!”=EMWEY$,Dc$$$N$OG’e(B
e$B$a$^$9!#e(B

46

In article E1ILq4x-0002Bs-Lg@x31,
Yukihiro M. [email protected] writes:

|e$B$k$H!"!V4X?t%H%C%W%l%Y%k!W$C$F$J$s$G$9$+e(B?

e$B$(!<$H!"MQ8l$,ITE,@Z$@$C$?$+$7$i!#e(B

e$B$=$NMQ8l$NDj5A$O$I$3$+$K$“$j$^$9$+e(B?
e$B$H$j$”$($:%^%K%e%"%k$Oe(B grep e$B$7$F$_$^$7$?$,:$C$F$$$^$;$s$G$7e(B
e$B$?!#e(B

  • rescue
  • loop
  • e$B%V%m%C%/e(B

e$B$NFbIt$G$9!#>e5-$N!V%H%C%W%l%Y%k!W$O$=$l0J30$H$$$&0UL#$G$9$M!#e(B

rescue e$B$H%V%m%C%/$O$o$+$j$^$9!#e(B

e$B$G$b!"e(Bloop e$B$C$F$J$s$G$9$+e(B?

e$B0J2<$N2DG=@-$r;W$$IU$-$^$9$,!"$I$A$i$b$b$C$H$b$i$7$/46$8$i$le(B
e$B$^$;$s!#e(B

  • Kernel.loop e$B%a%=%C%Ie(B
  • e$B%k!<%W@)8f9=J8e(B (while, until, for)
47

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

In message “Re: [ruby-dev:31433] Re: retrye$B$N;H$$J}e(B”
on Thu, 16 Aug 2007 11:21:56 +0900, Tanaka A. [email protected]
writes:

|> e$B$“$”!“$=$&$+!#$=$&$$$&$N$O=q$1$J$$$G$9$M!#Nc30$rAw$m$&$K$bJde(B
|> e$BB->l=j$,$J$$$o$1$G$9$7!#e(B
|
|e$BB8:_$9$k$@$1$G<~0O$KLdBj$r0z$-5/$3$7!”$+$D!“Lr$KN)$DNc$b=P$Fe(B
|e$B$3$J$$!”$I$&$7$h$&$b$J$$5!G=$O:o=|$9$Y$-$@$H;W$$$^$9!#e(B

e$B$3$NE@$K$D$$$FG<F@$7$^$7$?!#4X?t%H%C%W%l%Y%k$G$Ne(Bretrye$B$O$J$/e(B
e$B$9J}8~$G!#e(B

48

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

In message “Re: [ruby-dev:31465] Re: retrye$B$N;H$$J}e(B”
on Sat, 18 Aug 2007 09:20:36 +0900, Tanaka A. [email protected]
writes:

|e$B$G$O!"!V4X?t%H%C%W%l%Y%k!W$O!Ve(Brescuee$B$G$b%V%m%C%/$G$be(B for e$B$Ne(B
|e$BFbB&$G$b$J$$$H$3$m!W$G$9$+e(B?

e$B$=$&$$$&$3$H$K$J$j$^$9$M!#e(B

49

In article E1ILVN9-0006xJ-7I@x31,
Yukihiro M. [email protected] writes:

e$B$3$NE@$K$D$$$FG<F@$7$^$7$?!#4X?t%H%C%W%l%Y%k$G$Ne(Bretrye$B$O$J$/e(B
e$B$9J}8~$G!#e(B

e$B;d$NMW5a$,K~$?$5$l$kJ}8~$G$“$k$3$H$O$o$+$k$N$G!”$3$3$G5DO@$re(B
e$B$H$a$F$b$$$$$+$H$b;W$C$?$N$G$9$,!“$$$A$$&?R$M$F$$/$3$H$K$9e(B
e$B$k$H!”!V4X?t%H%C%W%l%Y%k!W$C$F$J$s$G$9$+e(B?

e$B%H%C%W%l%Y%k$G$J$$$H$$$&$3$H$O$J$K$+$NCf$KF~$C$F$$$k$H$$$&$3e(B
e$B$H$G$7$g$&$,!"$=$N!V$J$K$+!W$K$O2?$,4^$^$l$^$9$+!#e(B

  • rescue e$B@ae(B
  • e$B%a%=%C%I8F$S=P$7$N%V%m%C%/e(B
  • begin e$B<0$N%%G%#e(B
50

In article E1IMCmI-0008KS-Jo@x31,
Yukihiro M. [email protected] writes:

e$B$=$&$G$7$g$&$M!#85!9$=$NC18l$O!V$&$C$+$j;H$C$F$7$^$C$?!W$b$Ne(B
e$B$G!“?7$7$$35G0$H$7$FF3F~$9$k$D$b$j$O$”$j$^$;$s!#:#8e!"e(B(e$B$3$NJ8e(B
e$BL.$G$Oe(B)e$B;H$o$J$$$h$&$K$7$^$9!#e(B

e$B$O$$!"$=$&$*4j$$$7$^$9!#e(B

e$B$^$?!"0lHL2=$7$F!"0c$&35G0$K$R$H$D$NL>A0$r;H$&$N$b$J$k$Y$/Hre(B
e$B$1$F$$$?$@$1$k$h$&$*4j$$$7$^$9!#e(B
(e$BNce(B: break e$B$KBP$9$ke(B orphan e$B$He(B return e$B$KBP$9$ke(B
orphan)

e$B$"$H!"e(Bfor e$B$KBP$7$F$be(B redo e$B$He(B retry
e$B$O0[$J$kF0:n$G$9!#e(B

51

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

In message “Re: [ruby-dev:31458] Re: retrye$B$N;H$$J}e(B”
on Fri, 17 Aug 2007 19:56:35 +0900, Tanaka A. [email protected]
writes:

|e$B!V4X?t%H%C%W%l%Y%k!W$C$F$J$s$G$9$+e(B?

e$B!Ve(Brescuee$B$G$b%V%m%C%/$NFbB&$G$b$J$$$H$3$m!W$N$D$b$j$G$7$?!#e(B

52

In article E1ILweZ-00008I-Tu@x31,
Yukihiro M. [email protected] writes:

e$B8e<T$G$9!#e(Bwhilee$B$J$I$NCf$G$Ne(Bretrye$B$O%k!<%W@hF,$K%8%c%s%W$7$^$9!#e(B
e$B$3$l$O%I%-%e%a%s%H$K=q$$$F$"$k$O$:!#e(B

e$B8+$D$1$i$l$^$;$s$G$7$?!#e(B
e$B%I%-%e%a%s%H$N$I$3$K=q$$$F$"$j$^$9$+e(B?