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Improve collision explanation for Hash#transform_keys.

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Based on comments at
42417b0013 (commitcomment-5527251)

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This commit is contained in:
Hendy Tanata 2014-02-28 11:28:24 -08:00
parent 245574ae02
commit cee7a06746
1 changed files with 3 additions and 3 deletions
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6
guides/source/active_support_core_extensions.md
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@ -2719,7 +2719,7 @@ The method `transform_keys` accepts a block and returns a hash that has applied
# => {"" => nil, "A" => :a, "1" => 1}
```
The result in case of key collision is not guaranteed:
In case of key collision, one of the values will be chosen. The chosen value may not always be the same given the same hash:
```ruby
{"a" => 1, a: 2}.transform_keys { |key| key.to_s.upcase }
@ -2761,7 +2761,7 @@ The method `stringify_keys` returns a hash that has a stringified version of the
# => {"" => nil, "a" => :a, "1" => 1}
```
The result in case of key collision is not guaranteed:
In case of key collision, one of the values will be chosen. The chosen value may not always be the same given the same hash:
```ruby
{"a" => 1, a: 2}.stringify_keys
@ -2805,7 +2805,7 @@ The method `symbolize_keys` returns a hash that has a symbolized version of the
WARNING. Note in the previous example only one key was symbolized.
The result in case of key collision is not guaranteed:
In case of key collision, one of the values will be chosen. The chosen value may not always be the same given the same hash:
```ruby
{"a" => 1, a: 2}.symbolize_keys