blairanderson/raise-arg-error.md

## raise-arg-error.md

      
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              raise-arg-error.md
            
          
    If you want to raise an argument error with a clearer message
def process_thing(account: nil, thing: nil)
  raise(ArgumentError.new("processing requires an account")) if account.blank?
  raise(ArgumentError.new("Must have a Thing to process")) if thing.blank?
  # ... Do the actual work
end