Explicit declaration of variables

S

Slim Slender

Suppose a developer does not explicitly declare variables but just
makes up a variable and gives it a value when he needs it anywhere in
the code. He prefixes his variable names with "s" for string, "i" for
integer, "s" for single, etc. Is there some way I can examine this
code and determine that these variables are actually variant data type
and not the data type suggested by the prifix? Is there a way to
demonstrate or prove that this is not the best practice?
 

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