[Inquiry] Re: Theme One Program -- Commentary -- Stitch

[Jon Awbrey]

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TOP.  Commentary Note 25

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Stitch.

Stitch is a special constructor that
calls the special constructor Switch
followed up by the modifier function
Trip to build an idea-form structure
that has the following configuration:

                   o-------o
         o---------|---o   |
         |   o-----o   |   |
         o-->| ) 0 |---o   |
             o-----o       |
             ^             |
             |             |
             |             |
   o---------|---o         |
   |   o-----o   |         |
   o-->| ( 0 |---o         |
       o-----o<------------o
       ^
stitch |
       @

Notice that the idea returned as the functional value
is directed toward the form with the left parenthesis.

function stitch: idea;
begin
 stitch := trip (switch)
end;

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