# 6 & Rational(7,2)

**URL:** <https://www.ruby-forum.com/t/6-rational-7-2/137355>\
**Category:** Development\
**Created:** [May 12, 2008, 11:04am UTC](https://www.ruby-forum.com/t/6-rational-7-2/137355 "2008-05-12T11:04:21Z")\
**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:** [May 12, 2008, 11:04am UTC](https://www.ruby-forum.com/t/6-rational-7-2/137355/1 "2008-05-12T11:04:21Z")

</div>

e$B0J2\<$N$h$&$K!“e(B6 & Rational(7,2) e$B$Oe(B 2  
e$B$K$J$j$^$9$,!”:81&$rF~e(B  
e$B$l49$($Fe(B Rational(7,2) & 6 e$B$J$i%(%i!\<$K$J$j$^$9!#e(B

e$B$3$l$O0U?^$5$l$?5sF0$G$7$g$&$+!#e(B

% ./ruby -ve ‘p 6 & Rational(7,2)’  
ruby 1.9.0 (2008-05-12 revision 16388) [i686-linux]  
2

% ./ruby -ve ‘p Rational(7,2) & 6’  
ruby 1.9.0 (2008-05-12 revision 16388) [i686-linux]  
-e:1:in `<main>': undefined method`&’ for Rational(7, 2):Rational  
(NoMethodError)

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<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, 4:59pm UTC](https://www.ruby-forum.com/t/6-rational-7-2/137355/2 "2008-05-12T16:59:20Z")

</div>

e$B$1$$$8$e!w$$$7$D$+$G$9e(B.

In [ruby-dev :34656] the message: "[ruby-dev:34656] 6 & Rational(7,2)  
", on May/12 18:03(JST) Tanaka A. writes:

> e$B0J2\<$N$h$&$K!“e(B6 & Rational(7,2) e$B$Oe(B 2 e$B$K$J$j$^$9$,!”:81&$rF~e(B  
> e$B$l49$($Fe(B Rational(7,2) & 6 e$B$J$i%(%i!\<$K$J$j$^$9!#e(B
> 
> e$B$3$l$O0U?^$5$l$?5sF0$G$7$g$&$+!#e(B

e$B$&!\<$se(B. e$BA0\<T$O$d$j$9$.$@$H;W$$$^$9e(B.

e$B860x$Oe(B, {Fixnum,Bignum}#& e$B$NCf$Ge(B, other.to\_inte$B$7$F$$$Fe(B  
e$B$=$3$Ge(BRational  
e$B$,e(BIntegere$B$KJQ49$5$l$k$+$i$G$9e(B.

e$BF1$8$3$H$Oe(B, Floate$B$G$b$$$($^$9e(B.

e$B%S%C%H1i;;$G$Ne(B to\_int e$B$O$d$j2a$.$N$h$&$J5$$,$7$^$9$,e(B,  
e$B$I$&$J$s$G$7$g$&e(B?

\_\_  
----------------------------------------------------\>\> e$B@PDMe(B  
e$B7=\<ye(B \<\<—  
----------------------------------\>\> e-mail: removed\_email\_address@domain.invalid \<\<—

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<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, 11:49pm UTC](https://www.ruby-forum.com/t/6-rational-7-2/137355/3 "2008-05-12T23:49:02Z")

</div>

e$B$J$+$@$G$9!#e(B

At Mon, 12 May 2008 23:58:45 +0900,  
e$B@PDM7=\<ye(B wrote in [ruby-dev:34664]:

> e$B860x$Oe(B, {Fixnum,Bignum}#& e$B$NCf$Ge(B, other.to\_inte$B$7$F$$$Fe(B e$B$=$3$Ge(BRational  
> e$B$,e(BIntegere$B$KJQ49$5$l$k$+$i$G$9e(B.
> 
> e$BF1$8$3$H$Oe(B, Floate$B$G$b$$$($^$9e(B.
> 
> e$B%S%C%H1i;;$G$Ne(B to\_int e$B$O$d$j2a$.$N$h$&$J5$$,$7$^$9$,e(B, e$B$I$&$J$s$G$7$g$&e(B?

e$B;d$O$I$A$i$+$H$$$&$H!“e(BIntegere$B0J30$Ne(BNumerice$B$Ke(Bto\_inte$B$rDj5A$9$k$Y$-e(B  
e$B$G$O$J$$$N$G$O$J$$$+!”$H;W$$$^$9!#e(BFloate$B$de(BRationale$B$,e(BIntegere$B$K$J$ke(B  
e$B$H$$$&$3$H$O$=$3$G\>pJs$,Mn$A$k$o$1$G$9$h$M!#0EL[$NJQ49$O$"$^$jK\>e(B  
e$B$^$7$/$J$$$h$&$J5$$,$9$k$N$G$9$,!#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, 2:58am UTC](https://www.ruby-forum.com/t/6-rational-7-2/137355/4 "2008-05-13T02:58:45Z")

</div>

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

In message “Re: [ruby-dev:34665] Re: 6 & Rational(7,2)”  
on Tue, 13 May 2008 06:48:23 +0900, Nobuyoshi N.  
[removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) writes:  
|  
|e$B$J$+$@$G$9!#e(B  
|  
|At Mon, 12 May 2008 23:58:45 +0900,  
|e$B@PDM7=\<ye(B wrote in [ruby-dev:34664]:  
|\> In [ruby-dev :34656] the message: "[ruby-dev:34656] 6 & Rational(7,2)  
|\> “, on May/12 18:03(JST) Tanaka A. writes:  
|\>  
|\> \>e$B0J2\<$N$h$&$K!“e(B6 & Rational(7,2) e$B$Oe(B 2 e$B$K$J$j$^$9$,!”:81&$rF~e(B  
|\> \>e$B$l49$($Fe(B Rational(7,2) & 6 e$B$J$i%(%i!\<$K$J$j$^$9!#e(B  
|\> \>  
|\> \>e$B$3$l$O0U?^$5$l$?5sF0$G$7$g$&$+!#e(B  
|\>  
|\> e$B$&!\<$se(B. e$BA0\<T$O$d$j$9$.$@$H;W$$$^$9e(B.  
|\>  
|\> e$B860x$Oe(B, {Fixnum,Bignum}#& e$B$NCf$Ge(B, other.to\_inte$B$7$F$$$Fe(B e$B$=$3$Ge(BRational  
|\> e$B$,e(BIntegere$B$KJQ49$5$l$k$+$i$G$9e(B.  
|\>  
|\> e$BF1$8$3$H$Oe(B, Floate$B$G$b$$$($^$9e(B.  
|\>  
|\> e$B%S%C%H1i;;$G$Ne(B to\_int e$B$O$d$j2a$.$N$h$&$J5$$,$7$^$9$,e(B, e$B$I$&$J$s$G$7$g$&e(B?  
|  
|e$B;d$O$I$A$i$+$H$$$&$H!“e(BIntegere$B0J30$Ne(BNumerice$B$Ke(Bto\_inte$B$rDj5A$9$k$Y$-e(B  
|e$B$G$O$J$$$N$G$O$J$$$+!”$H;W$$$^$9!#e(BFloate$B$de(BRationale$B$,e(BIntegere$B$K$J$ke(B  
|e$B$H$$$&$3$H$O$=$3$G\>pJs$,Mn$A$k$o$1$G$9$h$M!#0EL[$NJQ49$O$”$^$jK\>e(B  
|e$B$^$7$/$J$$$h$&$J5$$,$9$k$N$G$9$,!#e(B

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e$B$r$I$&9M$($k$+$G$9$M!#e(B

```
                            e$B$^$D$b$He(B e$B$f$-$R$me(B /:|)

```