12 lines
235 B
Scheme
12 lines
235 B
Scheme
(define-signature quasiquote:graphical-interface^
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(display-image-stream))
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(define-signature quasiquote:quotester^
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(get-chart
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get-quote
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(struct entity (name))
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(struct stock ())
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(struct fund ())
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stock
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fund))
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