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author | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-04-07 13:03:35 +0000 |
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committer | nobu <nobu@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-04-07 13:03:35 +0000 |
commit | 23228b6e3139fb33d42f6dae4ec9bdabb21e52b2 (patch) | |
tree | a3e7ae2b1c4ce4f0d084cb9136fdf730c66a02c2 /numeric.c | |
parent | ba267bce47e4f295bfe6907bfcde8a6b82a5fbf9 (diff) | |
download | ruby-23228b6e3139fb33d42f6dae4ec9bdabb21e52b2.tar.gz |
Remove outdated example from Numeric documentation
Since 2.5, Numeric instances can be cloned and duplicated.
[Fix GH-1850]
From: Miguel Landaeta <miguel@miguel.cc>
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63112 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'numeric.c')
-rw-r--r-- | numeric.c | 7 |
1 files changed, 4 insertions, 3 deletions
@@ -5277,10 +5277,11 @@ rb_int_s_isqrt(VALUE self, VALUE num) * 1.object_id == a.object_id #=> true * * There can only ever be one instance of the integer +1+, for example. Ruby ensures this - * by preventing instantiation and duplication. + * by preventing instantiation. If duplication is attempted, the same instance is returned. * - * Integer.new(1) #=> NoMethodError: undefined method `new' for Integer:Class - * 1.dup #=> TypeError: can't dup Integer + * Integer.new(1) #=> NoMethodError: undefined method `new' for Integer:Class + * 1.dup #=> 1 + * 1.object_id == 1.dup.object_id #=> true * * For this reason, Numeric should be used when defining other numeric classes. * |