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12
Task/Runtime-evaluation/Scheme/runtime-evaluation.ss
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12
Task/Runtime-evaluation/Scheme/runtime-evaluation.ss
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@ -0,0 +1,12 @@
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> (define x 37)
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> (eval '(+ x 5))
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42
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> (eval '(+ x 5) (interaction-environment))
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42
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> (eval '(+ x 5) (scheme-report-environment 5)) ;; provides R5RS definitions
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Error: identifier not visible x.
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Type (debug) to enter the debugger.
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> (display (eval (read)))
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(+ 4 5) ;; this is input from the user.
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9
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