Invalid value for

Ruby Development
1

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e$B$G%(%i!<$N%a%C%;!<%8$,HyL/$K0c$$$^$9e(B
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main@191-20081228> Integer(‘foo’)
ArgumentError: invalid value for Integer: “foo”

main@191-20081228> Float(‘foo’)
ArgumentError: invalid value for Float(): “foo”

2

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In message “Re: [ruby-dev:37632] invalid value for”
on Sun, 28 Dec 2008 21:56:19 +0900, Tadayoshi F.
[email protected] writes:

|e$B0J2<$N$h$&$Ke(B Integer() e$B$He(B Float() e$B$G%(%i!<$N%a%C%;!<%8$,HyL/$K0c$$$^$9e(B
|e$B$,e(B (e$B3g8L$,$“$k$+$I$&$+e(B)e$B!”$G$-$l$PB7$($?$$$H;W$$$^$9$,!"$I$C$A$,$$$$$G$7$ge(B
|e$B$&$+e(B?
|
|main@191-20081228> Integer(‘foo’)
|ArgumentError: invalid value for Integer: “foo”
|
|main@191-20081228> Float(‘foo’)
|ArgumentError: invalid value for Float(): “foo”

e$B3g8L$,$"$kJ}$K0lI<!#e(B

3

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On 2008/12/28, at 21:56, Tadayoshi F. wrote:

e$B0J2<$N$h$&$Ke(B Integer() e$B$He(B Float() e$B$G%(%i!<$N%a%C%;!<%8$,HyL/$K0c$$$^$9e(B
e$B$,e(B (e$B3g8L$,$"$k$+$I$&$+e(B)e$B!"$G$-$l$PB7$($?$$$H;W$$$^$9$,!"$I$C$A$,$$$$$G$7$ge(B
e$B$&$+e(B?

main@191-20081228> Integer(‘foo’)
ArgumentError: invalid value for Integer: “foo”

main@191-20081228> Float(‘foo’)
ArgumentError: invalid value for Float(): “foo”

e$B%P%C%/%H%l!<%9$Ke(B Integer() e$B$de(B Float()
e$B$N%a%=%C%IL>$,4^$^$l$k;v$+$i!“e(B
e$B%a%=%C%IL>$r>J$-!”!Ve(Binvalid value:
"foo"e$B!W$H$$$&$N$O$$$+$,$G$7$g$&$+!#e(B

4

e$B?\F#$G$9!#e(B

In [email protected]
“[ruby-dev:37638] Re: invalid value for” on Mon, 29 Dec 2008 12:03:04
+0900,
Takao K. [email protected] wrote:

e$B%P%C%/%H%l!<%9$Ke(B Integer() e$B$de(B Float() e$B$N%a%=%C%IL>$,4^$^$l$k;v$+$i!“e(B
e$B%a%=%C%IL>$r>J$-!”!Ve(Binvalid value: "foo"e$B!W$H$$$&$N$O$$$+$,$G$7$g$&$+!#e(B

e$B8D?ME*$K$O!“$J$<$I$s$JLdBj$,5/$-$F!”$I$&$9$l$PD>$;$=$&$+$H$$e(B
e$B$&>pJs$O$G$-$k$@$1%P%C%/%H%l!<%9L5$7$G$b$o$+$C$?J}$,4r$7$$$Ge(B
e$B$9!#e(B

e$B$J$N$G!"e(B

  • ArgumentError: invalid integer value: “foo”
  • ArgumentError: invalid float value: “foo”
    e$B$H$+!"e(B
  • InvalidIntegerError: invalid value: “foo”
  • InvalidFloatError: invalid value: “foo”
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e$B%l!<%9$r8+$l$J$$$3$H$b$”$k$+$b$7$l$^$;$s!#e(B

aliase$B$r$7$F$$$k$He(BIntegere$B$H$+$,%P%C%/%H%l!<%9$+$i8+$($J$/$J$je(B
e$B$^$9!#e(B
alias convert_to_integer_with_validation Integer

5

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e$B<B:]$H$3$me(B ruby
e$B$G$O$=$l$J$7$G$OBg$7$?>pJs$,F@$i$l$J$$$N$G$9$h$M!#e(B

rb_Integer e$B$de(B rb_Float
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