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author | naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-02-22 06:16:18 +0000 |
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committer | naruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-02-22 06:16:18 +0000 |
commit | f1161c93846a9be3b0f5995aa05bf950a6a448fc (patch) | |
tree | 903fb0a0c42d44f16020154a3420e360b6b8b6bd /range.c | |
parent | a9a6a643f86c3908e136b95be072df29c889c7a9 (diff) |
merge revision(s) 44549: [Backport #9387]
* range.c (Range#size): [DOC] improve description and add examples.
Patch by @skade. [Fixes GH-501]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_1@45118 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'range.c')
-rw-r--r-- | range.c | 5 |
1 files changed, 4 insertions, 1 deletions
@@ -711,9 +711,12 @@ sym_each_i(RB_BLOCK_CALL_FUNC_ARGLIST(v, arg)) * call-seq: * rng.size -> num * - * Returns the number of elements in the range. + * Returns the number of elements in the range. Both the begin and the end of + * the Range must be Numeric, otherwise nil is returned. * * (10..20).size #=> 11 + * ('a'..'z').size #=> nil + * (-Float::INFINITY..Float::INFINITY).size #=> Infinity */ static VALUE |