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Ingy döt Net 2013-04-10 23:57:08 -07:00
parent 47bf37c096
commit b83f433714
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Task/Runtime-evaluation/Scheme/runtime-evaluation.ss Normal file
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> (define x 37)
> (eval '(+ x 5))
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> (eval '(+ x 5) (interaction-environment))
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> (eval '(+ x 5) (scheme-report-environment 5)) ;; provides R5RS definitions
Error: identifier not visible x.
Type (debug) to enter the debugger.
> (display (eval (read)))
(+ 4 5) ;; this is input from the user.
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