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Using
Syntax
Using R Do C EndUsing
where R is the identifier for a ring and C is a sequence of commands.
Summary
perform commands in non-active ring
Description
Suppose S is the current ring and R is another ring, then
Using R Do
C;
EndUsing;
is equivalent to
Use R;
C;
Use S;
example
Use S ::= Q[x,y]; -- the current ring is S
R ::= Q[a,b,c]; -- another ring
Using R Do Indets() EndUsing;
[a, b, c]
-------------------------------
Note: Using Q[a,b] Do ...
is not proper syntax and will produce an
error.
See Also