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| author | Xavier Noria <fxn@hashref.com> | 2009-07-11 01:11:55 +0200 |
|---|---|---|
| committer | Xavier Noria <fxn@hashref.com> | 2009-07-11 01:11:55 +0200 |
| commit | f081fe267907750b91c9a5749c7a6c6c64460a3c (patch) | |
| tree | 973cf898256c5b7c65ae1b66f8cb1c4f3f89d58f /railties | |
| parent | 4f59ebb1a6be7d3f589555e5d943ba3303b4efc0 (diff) | |
| download | rails-f081fe267907750b91c9a5749c7a6c6c64460a3c.tar.gz rails-f081fe267907750b91c9a5749c7a6c6c64460a3c.tar.bz2 rails-f081fe267907750b91c9a5749c7a6c6c64460a3c.zip | |
AS guide: class objects are not duplicable either
Diffstat (limited to 'railties')
| -rw-r--r-- | railties/guides/source/active_support_overview.textile | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/railties/guides/source/active_support_overview.textile b/railties/guides/source/active_support_overview.textile index 30a593a0d7..2248ba33c3 100644 --- a/railties/guides/source/active_support_overview.textile +++ b/railties/guides/source/active_support_overview.textile @@ -80,7 +80,7 @@ Active Support provides +duplicable?+ to programmatically query an object about false.duplicable? # => false </ruby> -By definition all objects are +duplicable?+ except +nil+, +false+, +true+, symbols, and numbers. +By definition all objects are +duplicable?+ except +nil+, +false+, +true+, symbols, numbers, and class objects. WARNING. Using +duplicable?+ is discouraged because it depends on a hard-coded list. Classes have means to disallow duplication like removing +dup+ and +clone+ or raising exceptions from them, only +rescue+ can tell. |