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Use constant time lookups in Figaro::ENV#get_value method #237

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Use constant time lookups in Figaro::ENV#get_value method #237

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6181ba5
Replace with constant time lookups for a given key.
steventen Apr 26, 2016
a3cb715
Use has_key? method for constant lookup.
steventen Apr 26, 2016
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5 changes: 2 additions & 3 deletions lib/figaro/env.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -30,16 +30,15 @@ def extract_key_from_method(method)
end

def has_key?(key)
::ENV.any? { |k, _| k.downcase == key }
::ENV.has_key?(key) || ::ENV.has_key?(key.upcase)
end

def missing_key!(key)
raise MissingKey.new(key)
end

def get_value(key)
_, value = ::ENV.detect { |k, _| k.downcase == key }
value
::ENV[key] || ::ENV[key.upcase]
end
end
end