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remove warning from railtie

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This removes the following warnings.

```ruby
rails/railties/lib/rails/railtie.rb:186: warning: instance variable @rake_tasks not initialized
rails/railties/lib/rails/railtie.rb:186: warning: instance variable @rake_tasks not initialized
rails/railties/lib/rails/railtie.rb:186: warning: instance variable @load_console not initialized
rails/railties/lib/rails/railtie.rb:186: warning: instance variable @rake_tasks not initialized
```
This commit is contained in:
yuuji.yaginuma 2016-11-02 10:17:22 +09:00
parent 9ebb3558f4
commit 34530f5bd5
1 changed files with 1 additions and 1 deletions
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2
railties/lib/rails/railtie.rb
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@ -194,7 +194,7 @@ module Rails
# `#each_registered_block(type, &block)`
def register_block_for(type, &blk)
var_name = "@#{type}"
blocks = instance_variable_get(var_name) || instance_variable_set(var_name, [])
blocks = instance_variable_defined?(var_name) ? instance_variable_get(var_name) : instance_variable_set(var_name, [])
blocks << blk if blk
blocks
end