Created
July 10, 2012 06:46
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Rails: Equivalent of .try() for a hash
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| foo = { :a => '11', :b => '22' } | |
| foo[:b] # => "22" | |
| # equivalent of .try() for a hash | |
| foo.try(:[], :b) # => "22" | |
| # using variable as key | |
| key = :b | |
| foo.try(:[], key) # => "22" |
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Reference
http://stackoverflow.com/questions/6224875/equivalent-of-try-for-a-hash