Bug #2050: Abbreviated Assignment Operators No Longer Return rvalue

• Status: Closed
• Assignee: -
• Target version: -
• ruby -v: ruby 1.9.2dev (2009-09-03 trunk 24741) [i686-linux]

[runpaint (Run Paint Run Run)]

=begin
$ cat /tmp/h.rb
class H
def k end
def []=(k, v) [k, v] end
end

a = H.new
a[123] = 2
b = (a[123] += 2)
p b

$ ruby -v /tmp/h.rb
ruby 1.9.2dev (2009-09-03 trunk 24741) [i686-linux]
[123, 125]
$ ruby8 -v /tmp/h.rb
ruby 1.8.8dev (2009-09-04) [i686-linux]
125

http://redmine.ruby-lang.org/issues/show/1996 is presumably the same problem, but was reported against the Redmine project; opening a ticket here so it doesn't get overlooked.
=end

[nobu (Nobuyoshi Nakada)]

• Status changed from Open to Closed

=begin
Applied in changeset r24761.
=end

[nobu (Nobuyoshi Nakada)]

• Status changed from Closed to Open

=begin
$ ./ruby -v -
ruby 1.9.2dev (2009-09-18 trunk 24985) [i386-darwin9.8.0]
a=Hash.new{[]}
b=2,3
p a[:x]<<=[*b,1]
-:3:in []': wrong number of arguments(2 for 1) (ArgumentError) from -:3:in '

=end

[nobu (Nobuyoshi Nakada)]

• Status changed from Open to Closed

=begin
Applied in changeset r24999.
=end