diff options
Diffstat (limited to 'guides/source/active_support_core_extensions.md')
| -rw-r--r-- | guides/source/active_support_core_extensions.md | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/guides/source/active_support_core_extensions.md b/guides/source/active_support_core_extensions.md index 2967ce8355..7a9624a4ee 100644 --- a/guides/source/active_support_core_extensions.md +++ b/guides/source/active_support_core_extensions.md @@ -2440,9 +2440,9 @@ Array.wrap(0) # => [0] This method is similar in purpose to `Kernel#Array`, but there are some differences: -* If the argument responds to `to_ary` the method is invoked. `Kernel#Array` moves on to try `to_a` if the returned value is `nil`, but `Array.wrap` returns `nil` right away. +* If the argument responds to `to_ary` the method is invoked. `Kernel#Array` moves on to try `to_a` if the returned value is `nil`, but `Array.wrap` returns an array with the argument as its single element right away. * If the returned value from `to_ary` is neither `nil` nor an `Array` object, `Kernel#Array` raises an exception, while `Array.wrap` does not, it just returns the value. -* It does not call `to_a` on the argument, though special-cases `nil` to return an empty array. +* It does not call `to_a` on the argument, if the argument does not respond to +to_ary+ it returns an array with the argument as its single element. The last point is particularly worth comparing for some enumerables: |