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Improve the idiom used in multibyte chars a bit.

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This commit is contained in:
José Valim 2010-06-30 15:01:23 +02:00
parent 265b7c5edf
commit 9ab8cfc21a
1 changed files with 3 additions and 3 deletions
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6
activesupport/lib/active_support/multibyte/chars.rb
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@ -316,12 +316,12 @@ module ActiveSupport #:nodoc:
result = @wrapped_string.slice(*args)
elsif args.size == 1 && args[0].kind_of?(Numeric)
character = Unicode.u_unpack(@wrapped_string)[args[0]]
result = character.nil? ? nil : [character].pack('U')
result = character && [character].pack('U')
else
cps = Unicode.u_unpack(@wrapped_string).slice(*args)
result = cps.nil? ? nil : cps.pack('U*')
result = cps && cps.pack('U*')
end
result.nil? ? nil : chars(result)
result && chars(result)
end
alias_method :[], :slice