Error in -x Argument to Unary Operator

The -x argument of a function is invalid. The ‘-‘ denotes that the function is not valid. A function cannot be valid unless it contains a value. The name of the variable must be the same as the name of the function. If it does not, the compiler will report the error. This is a common error. The -x denotes that the parameter is invalid.

Error in -x Argument to Unary Operator
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