September 27, 1999
* prepended to an argument?
& prepended to an argument?
Proc.new without a block do?
:exit mean?
loop a control structure?
a +b gives an error.
s = "x"; puts s *10 gives an error.
p {}.
def pos= (val) print @pos,"\n"; @pos = val end,
I cannot use the method pos = 1.
'\1' and '\\1'?
p true or true and false prints true, while
a=true if true or true and false does not assign true
to a.
p(nil || "") returns "", while p(nil or "")
gives parse error.
+ and - operators?
private and
protected.
super yields an ArgumentError.
load and require?
include and extend?
self mean?
instance_methods(nil)?
rand generate the same random number sequence?
Fixnum, true, nil, and false
are implemented as immediate values, what is the difference between
an immediate value and a reference?
nil and false?
less to display strings?
File object which has no reference?
true in a condition expression.
"abcd"[0] return?
sub and sub!?
.. and ...?
thread and fork?
trap?
gtk+ or xforms interface in Ruby?
a ? b : c mean?
begin and end of MatchingData return?
Originally written by Shugo Maeda
shugo@netlab.co.jp
Transformed to SGML by Ozawa Sakuro
crouton@duelists.org
Translated into English by gotoken
gotoken@math.sci.hokudai.ac.jp
Revised by Akira Endo
akendo@t3.rim.or.jp
since June 7, 1999 (original Sep 18, 1997)
Transformed to private XML on June 28, 1999, parsed with xmlparser by
Yoshida Masato
yoshidam@inse.co.jp,
yoshidam@yoshidam.net.