Did you know nim can eval itself at runtime like a frickin scripting language?
Clone this gist and do...
nimble install compiler
nim c -r nimeval.nim
...and you should see:
Hello, dude!
The square of 10 is 100
Last active
October 19, 2022 13:35
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| proc sayHello*(name: string) = | |
| echo "Hello, " & name & "!" | |
| proc square*(n: int): int = | |
| n * n |
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| import compiler/nimeval | |
| from compiler/ast import nil | |
| import os | |
| let std = findNimStdLibCompileTime() | |
| let intr = createInterpreter("myscript.nim", [std, parentDir(currentSourcePath), | |
| std / "pure", std / "core"]) | |
| intr.evalScript() | |
| let helloProc = intr.selectRoutine("sayHello") | |
| discard intr.callRoutine(helloProc, [ast.newStrNode(ast.nkStrLit, "dude")]) | |
| let squareProc = intr.selectRoutine("square") | |
| let n = 10 | |
| let nSquared = intr.callRoutine(squareProc, [ast.newIntNode(ast.nkIntLit, n)]).intVal | |
| echo "The square of " & $n & " is " & $nSquared | |
| intr.destroyInterpreter() |
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