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| author | Zachary Scott <e@zzak.io> | 2014-09-04 14:19:47 -0700 |
|---|---|---|
| committer | Zachary Scott <e@zzak.io> | 2014-09-04 14:19:47 -0700 |
| commit | c523b7c468ee9512d82243636bfac321e79535db (patch) | |
| tree | f5ec3538ce39a702f3202195b1eaf63d15c91f15 | |
| parent | 67463d5adc7d7d64e501bc3587106e638d154cc7 (diff) | |
| download | rails-c523b7c468ee9512d82243636bfac321e79535db.tar.gz rails-c523b7c468ee9512d82243636bfac321e79535db.tar.bz2 rails-c523b7c468ee9512d82243636bfac321e79535db.zip | |
:scissors: and from #16803 [ci skip]
| -rw-r--r-- | guides/source/active_support_core_extensions.md | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/guides/source/active_support_core_extensions.md b/guides/source/active_support_core_extensions.md index 88d651e13c..2e1a3ee5dc 100644 --- a/guides/source/active_support_core_extensions.md +++ b/guides/source/active_support_core_extensions.md @@ -162,7 +162,7 @@ Active Support provides `duplicable?` to programmatically query an object about false.duplicable? # => false ``` -By definition all objects are `duplicable?` except `nil`, `false`, `true`, symbols, numbers, and class, module, and method objects. +By definition all objects are `duplicable?` except `nil`, `false`, `true`, symbols, numbers, class, module, and method objects. WARNING: Any class can disallow duplication by removing `dup` and `clone` or raising exceptions from them. Thus only `rescue` can tell whether a given arbitrary object is duplicable. `duplicable?` depends on the hard-coded list above, but it is much faster than `rescue`. Use it only if you know the hard-coded list is enough in your use case. |