# \[RubySpec #3154\] Hidden allocate, new and superclass methods on 1.9.2

**URL:** <https://www.ruby-forum.com/t/rubyspec-3154-hidden-allocate-new-and-superclass-methods-on-1-9-2/187032>\
**Category:** Development\
**Created:** [April 16, 2010, 12:24am UTC](https://www.ruby-forum.com/t/rubyspec-3154-hidden-allocate-new-and-superclass-methods-on-1-9-2/187032 "2010-04-16T00:24:34Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![ujihisa\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/u/8edcca/32.png) [@ujihisa\_S](https://www.ruby-forum.com/u/ujihisa_S)\
**Post date:** [April 16, 2010, 12:24am UTC](https://www.ruby-forum.com/t/rubyspec-3154-hidden-allocate-new-and-superclass-methods-on-1-9-2/187032/1 "2010-04-16T00:24:34Z")

</div>

RubySpec #3154: Hidden allocate, new and superclass methods on 1.9.2  
[http://redmine.ruby-lang.org/issues/show/3154](http://redmine.ruby-lang.org/issues/show/3154)

e$B5/I\<\<Te(B: ujihisa .  
e$B%9%F!\<%?%9e(B: Open, e$BM%@hEYe(B: Normal  
e$B%+%F%4%je(B: core, Target version: 1.9.2

ruby 1.9.2e$B$+$i!“$”$k%/%i%9$KBP$7$F$I$N$=$N?F%/%i%9$+$i$be(Ballocate  
new  
superclasse$B$Ne(B3e$B$D$N%a%=%C%I$,e(Bpublic\_methods(false)e$B$N0lMw$K=P$F$3$J$/$J$C$?$N$G$9$,!"$3$l$O0U?^E\*$J;EMMJQ99$J$N$G$7$g$&$+!#e(B

```
$ ruby192 -ve 'class A; end; A.ancestors.map {|i| p [i, 

```

i.public\_methods(false).sort] }’  
ruby 1.9.2dev (2010-04-02 trunk 27162) [i386-darwin9.8.0]  
[A, []]  
[Object, []]  
[Kernel, [:Array, :Complex, :Float, :Integer, :Rational, :String,  
: **callee** , : **method** , :`, :abort, :at\_exit, :autoload, :autoload?,  
:binding, :block\_given?, :caller, :catch, :eval, :exec, :exit, :exit!,  
:fail, :fork, :format, :gets, :global\_variables, :iterator?, :lambda,  
:load, :local\_variables, :loop, :open, :p, :print, :printf, :proc,  
:putc, :puts, :raise, :rand, :readline, :readlines, :require,  
:require\_relative, :select, :set\_trace\_func, :sleep, :spawn, :sprintf,  
:srand, :syscall, :system, :test, :throw, :trace\_var, :trap,  
:untrace\_var, :warn]]  
[BasicObject, []]

RubySpece$B$r=$@5$7$F$$$F$3$NJQ99$K5$$,$D$-$^$7$?!#e(BChangeLoge$B$d:9J,$d%a!\<%j%s%0%j%9%H$N2a5n%m%0$de(BRedMinee$B$r8+$?$b$N$N$I$NItJ,$G$I$N$h$&$J0U?^$G$3$NJQ99$,$J$5$l$?$N$+J,$+$i$J$+$C$?$?$a!"$3$3$G\<ALd$5$;$F$/$@$5$$!#e(B

e$B$3$l$,0U?^$7$J$$JQ99$G$“$C$?\>l9g!”\<+%/%i%9$H$=$NA4$F$N?F%/%i%9$Ne(Bpublic\_methodse$B$de(Bsingleton\_methodse$B$K5s$2$i$l$F$$$J$$$K$b4X$o$i$:%Q%V%j%C%/$K8F$S=P$;$k%a%=%C%I$,$“$k$N$O!”$A$g$C$HIT;W5D$J5sF0$N$h$&$K46$8$^$9!#e(B

---

<div class="post-metadata">

**Author:** ![ujihisa\_S](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/u/8edcca/32.png) [@ujihisa\_S](https://www.ruby-forum.com/u/ujihisa_S)\
**Post date:** [April 16, 2010, 5:49am UTC](https://www.ruby-forum.com/t/rubyspec-3154-hidden-allocate-new-and-superclass-methods-on-1-9-2/187032/2 "2010-04-16T05:49:32Z")

</div>

e$B%A%1%C%He(B #3154 e$B$,99?7$5$l$^$7$?!#e(B (by Yusuke E.)

e$B1sF#$G$9!#e(B

2010e$BG/e(B4e$B7ne(B16e$BF|e(B7:24 ujihisa . [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid):

> ruby 1.9.2e$B$+$i!“$”$k%/%i%9$KBP$7$F$I$N$=$N?F%/%i%9$+$i$be(Ballocate new superclasse$B$Ne(B3e$B$D$N%a%=%C%I$,e(Bpublic\_methods(false)e$B$N0lMw$K=P$F$3$J$/$J$C$?$N$G$9$,!"$3$l$O0U?^E\*$J;EMMJQ99$J$N$G$7$g$&$+!#e(B

e$B$9$\_$^$;$s!"\<B$O0JA0$+$iG’\<1$7$F$$$F!"D\>$5$J$-$c$J!\<$H$O;W$C$Fe(B  
e$B$^$7$?!#e(B

e$BA0$KD4$Y$?;~$Oe(B [ruby-core:28837] [Bug #2993] e$B$N$?$a$Ne(B r27085  
e$B$Ke(B  
e$B$h$k1F6A$H$N\<+J,Fb7kO@$G$7$?!#e(B  
[ruby-core:28837] e$B$Oe(B instance\_methods  
e$B$r=$@5$9$k$3$H$r0U?^$7$Fe(B  
e$B$$$?$?$a!"e(Bpublic\_methods  
e$B$K1F6A$,=P$?$N$O0U?^$O$7$F$$$J$+$C$?$He(B  
e$B;W$$$^$9!#e(B

e$B$=$l$G$b$J$\<Js9p$7$F$$$J$+$C$?$+$H$$$&$H!"$3$l$O85!9$NJ}$,%P%0e(B  
e$B$@$C$?$H;W$o$l$k$?$a$G$9!#e(B

> e$B$3$l$,0U?^$7$J$$JQ99$G$“$C$?\>l9g!”\<+%/%i%9$H$=$NA4$F$N?F%/%i%9$Ne(Bpublic\_methodse$B$de(Bsingleton\_methodse$B$K5s$2$i$l$F$$$J$$$K$b4X$o$i$:%Q%V%j%C%/$K8F$S=P$;$k%a%=%C%I$,$“$k$N$O!”$A$g$C$HIT;W5D$J5sF0$N$h$&$K46$8$^$9!#e(B

public\_methods(true) e$B$J$i$A$c$s$H=P$F$/$k$N$GLdBj$J$$$G$9!#e(B

$ ./ruby -e ‘class A; end; p  
A.public\_methods(true).sort.grep(/super/)’  
[:superclass]

public\_methods(false) e$B$Oe(B A  
e$B$KD\>@=jB0$9$k%a%=%C%I0lMw$rF@$^$9e(B  
e$B$,!“e(Bsuperclass e$B$?$A$Oe(B Class  
e$B$K=jB0$9$k$?$a!”=P$F$3$J$/$F@5\>oe(B  
e$B$G$9!#e(B  
1.public\_methods(false) e$B$Ke(B floor e$B$O=P$F$-$^$;$s$,!"e(B1.floor  
e$B$,e(B  
e$BF0$/$N$HF1$8$G$9e(B (Numeric#floor) e$B!#e(B

e$B$H$$$&$o$1$G!"e(Brubyspec  
e$BB&$r=$@5$7$H$$$F$b$i$($^$9$G$7$g$&$+!#e(B  
1.8 e$B$Ke(B backport e$B$5$l$k$+$I$&$+$O!"KNIt$5$s$de(B knu  
e$B$5$s$KJ9$$$Fe(B  
e$B$/$@$5$$!#e(B

## – Yusuke ENDOH \<removed\_email\_address@domain.invalid

[http://redmine.ruby-lang.org/issues/show/3154](http://redmine.ruby-lang.org/issues/show/3154)