ScopeUnion()

Creates a scope that encompasses the entire area covered by two input scopes.

new_scope = ScopeUnion(scope scp1, scope scp2)

A scope that encompasses both input scopes.

Function	Summary
ScopeInScope()	Checks to see if one scope is completely contained in another
ScopeOnScope()	Checks to see if one scope overlaps another
ScopeIntersect()	Creates a scope that is the intersection of the input scopes