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I am more concerned with checking the type, length and decimal places for "compatibility" across CALLs -- in other words, checking each parameter for the correct type of argument. Especially across separately compiled units (modules).
The compiler and/or runtime should provide for type checking of parameters / arguments for external procedures at bind-time, (for bind-by-copy or bind-by-reference), and compatibility checking at runtime for late-bound calls, to help ensure "type safety."
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