Ascii ?c "c"[0] "c".ord.chr question

ruby-talk
1

I was curious why the prefix ? for ascii code was removed in 1.9.x?

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2

I was curious why the prefix ? for ascii code was removed in 1.9.x?

It wasn't removed, it just changed what it returns to work with multibyte chars:

multiruby -e 'p ?c'

VERSION = 1.8.6-p399
CMD = ~/.multiruby/install/1.8.6-p399/bin/ruby -e p ?c

99

RESULT = 0

VERSION = 1.8.7-p302
CMD = ~/.multiruby/install/1.8.7-p302/bin/ruby -e p ?c

99

RESULT = 0

VERSION = 1.9.1-p129
CMD = ~/.multiruby/install/1.9.1-p129/bin/ruby -e p ?c

"c"

RESULT = 0

VERSION = 1.9.2-p0
CMD = ~/.multiruby/install/1.9.2-p0/bin/ruby -e p ?c

"c"

RESULT = 0

TOTAL RESULT = 0 failures out of 4

Passed: 1.9.2-p0, 1.9.1-p129, 1.8.6-p399, 1.8.7-p302
Failed:

If you want compatibility between 1.8 and 1.9, I suggest the following:

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On Dec 3, 2010, at 12:39 , Stu wrote:

505 % multiruby -e 'class String; def ord; self[0]; end unless "".respond_to? :ord; end; p "c".ord'

VERSION = 1.8.6-p399
CMD = ~/.multiruby/install/1.8.6-p399/bin/ruby -e 'class String; def ord; self[0]; end unless "".respond_to? :ord; end; p "c".ord'

99

RESULT = 0

VERSION = 1.8.7-p302
CMD = ~/.multiruby/install/1.8.7-p302/bin/ruby -e 'class String; def ord; self[0]; end unless "".respond_to? :ord; end; p "c".ord'

99

RESULT = 0

VERSION = 1.9.1-p129
CMD = ~/.multiruby/install/1.9.1-p129/bin/ruby -e 'class String; def ord; self[0]; end unless "".respond_to? :ord; end; p "c".ord'

99

RESULT = 0

VERSION = 1.9.2-p0
CMD = ~/.multiruby/install/1.9.2-p0/bin/ruby -e 'class String; def ord; self[0]; end unless "".respond_to? :ord; end; p "c".ord'

99

RESULT = 0

TOTAL RESULT = 0 failures out of 4

Passed: 1.9.2-p0, 1.9.1-p129, 1.8.6-p399, 1.8.7-p302
Failed:
505 %