Copperbox revision 2811.
I've extended the interpreter to handle fundefs and funcalls.
Effects in the expression language have been left unchanged, I was thinking Blank Canvas wrapped updates to the graphics state in a local function as per the Reader monad - this isn't the case. While this behaviour would be desirable for Wumpus-Expr it would introduce a risk of entombing graphics state updates in a chain of gsave / grestore that is too deep for PostScript.
Blog Archive
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About Me
- Stephen Tetley
- Disambiguating biog as there are a few Stephen Tetley's in the world. I'm neither a cage fighter or yachtsman. I studied Fine Art in the nineties (foundation Bradford 1992, degree Cheltenham 1992 - 95) then Computing part-time at Leeds Met graduating in 2003. I'm the Stephen Tetley on Haskell Cafe and Stackoverflow.