[ruby-core:51775] [ruby-trunk - Bug #7752] Rational/Float/Fixnum/Bignum `.to_s.encoding` is US-ASCII

Issue #7752 has been updated by coffeejunk (Maximilian Haack).


The only problem I see is that ruby is lying to the user. It is not severe since, as you said, there are no non-ascii characters in the resulting string, but I think ruby should respect the set encoding.
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Bug #7752: Rational/Float/Fixnum/Bignum `.to_s.encoding` is US-ASCII
https://bugs.ruby-lang.org/issues/7752#change-35742

Author: coffeejunk (Maximilian Haack)
Status: Open
Priority: Normal
Assignee: 
Category: core
Target version: 2.0.0
ruby -v: 2.0.0dev


=begin
When converting an instance of Rational/Float/Fixnum/Bignum to a string with the (({.to_s})) method, the resulting string has the encoding US-ASCII. This happens for 1.9.3 as well as 2.0.0rc1.

(({> __ENCODING__}))
(({ => #<Encoding:UTF-8>})) 

(({> Encoding.default_internal}))
(({ => #<Encoding:UTF-8>})) 

(({> Encoding.default_external}))
(({ => #<Encoding:UTF-8>})) 

(({> 1.to_s.encoding}))
(({#=> #<Encoding:US-ASCII>}))

(({> (2/1).to_r.to_s.encoding}))
(({ => #<Encoding:US-ASCII>}))

(({> "abc".encoding}))
(({ => #<Encoding:UTF-8>}))

=end


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