Another way to avoid name clashes is to only use those objects which are necessary. It has the following form:
USE < module-name > [ ONLY
:< only-list >...]
The < only-list > can also contain renames (
USE Stack, ONLY:pos, & IntegerPop => PopOnly pos and Pop are made accessible. Pop is renamed to IntegerPop.
The ONLY statement gives the compiler the option of including only those entities specifically named.
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