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4.22.3 Access to elements of a user defined type


Example:
 
  newstruct("nt","int a,poly b,string c");
  nt A;
  3+A.a;
==> 3
  A.c="example string";
  ring r;
  A.b=poly(1); // assignment: expression must be of the given type
  A;
==> c=example string
==> b=1
==> a=0

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