nimforum mirror - Error: undeclared identifier: NewException

pyloor (orginal) [2015-06-28T11:24:05+02:00] view original

Hi,

i am playing a bit with nim to get my feet wet. Currently I stuck with a compile error I found no explaination for. Please don't be rough to me, I now the code might be terrible... Here it is:

import os
import json

type GrubifyError = object of Exception

type Settings = object
    rootDev*: string
    grubDevLabel*: string
    title*: string
    rawSettings: JsonNode
    errorMsg*: string


proc readSettings(): Settings =
    var settingsFile: string = "./grubify.json"
    if fileExists(settingsFile):
        try:
            result.rawSettings = parseFile(settingsFile)
        except:
            raise NewException(GrubifyError, "Couldn't parse " & settingsFile)
            #result.errorMsg = "Error"


when isMainModule:
    var x: Settings = readSettings()
    if x.errorMsg == nil:
        echo x.rawSettings
    else:
        echo x.errorMsg

The compiler throws "Error: undeclared identifier: NewException" and I have no idea why. I made another small snipped and tested the newException statement without an error (it was a try with an assert(0 == 1)).

Thanks for your help.

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1379 :: Error: undeclared identifier: NewException