Artifact d44c2e9a483803d453351cfcd4acb51b13c93d834e7fd996027ca72dd727a48f:

• File psl-1983/3-1/util/demo-defstruct.red — part of check-in [eb17ceb7f6] at 2020-04-21 19:40:01 on branch master — Add Reduce 3.0 to the historical section of the archive, and some more
  files relating to version sof PSL from the early 1980s. Thanks are due to
  Paul McJones and Nelson Beebe for these, as well as to all the original
  authors.

  git-svn-id: https://svn.code.sf.net/p/reduce-algebra/code/historical@5328 2bfe0521-f11c-4a00-b80e-6202646ff360 (user: arthurcnorman@users.sourceforge.net, size: 614) [annotate] [blame] [check-ins using] [more...]

• File psl-1983/util/demo-defstruct.red — part of check-in [eb17ceb7f6] at 2020-04-21 19:40:01 on branch master — Add Reduce 3.0 to the historical section of the archive, and some more
  files relating to version sof PSL from the early 1980s. Thanks are due to
  Paul McJones and Nelson Beebe for these, as well as to all the original
  authors.

  git-svn-id: https://svn.code.sf.net/p/reduce-algebra/code/historical@5328 2bfe0521-f11c-4a00-b80e-6202646ff360 (user: arthurcnorman@users.sourceforge.net, size: 614) [annotate] [blame] [check-ins using]

% Sample of use of <Fish.iact>DefStruct.RED
% See <fish.iact>Defstruct.HLP

Defstruct(Complex, R, I);

Defstruct(Complex, R(0), I(0)); % Redefine to see what functions defined
                                % Give 0 Inits
C0:=MakeComplex();
ComplexP C0;

C1:=MakeComplex(('R . 1), ('I . 2));

AlterComplex(C1,'(R . 2), '(I . 3));

Put('R,'Assign!-op,'PutR); % for LHS.

R(C1):=3; I(C1):=4;

C1;

% Show use of Include Option.

Defstruct(MoreComplex(!:Include(Complex)),Z(99));
Defstruct(MoreComplex(!:Include(Complex)),Z(99));

M0 := MakeMoreComplex();
M1:=MakeMoreComplex('R . 1, 'I . 2, ' Z . 3);

R C1;

R M1;