Created
July 17, 2018 21:35
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define a `+` operator for string concatenation
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| proc `+`*(a:string, b:string):string = a & b | |
| proc `+`*[T](a:string, b:T):string = a & $b | |
| proc `+`*[T](a:T, b:string):string = $a & b |
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