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smtlaissezfaire/hash_shorthand.rb

Created July 15, 2020 03:43
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$ irb -r './hash_shorthand.rb'
>> x = 10
>> y = 20
>>
>> puts hash_shorthand(binding, :x, :y)
{:x=>10, :y=>20}
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hash_shorthand.rb
def hash_shorthand(source_binding, *symbols)
hash = {}
symbols.each do |symbol|
hash[symbol] = source_binding.local_variable_get(symbol)
end
hash
end
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