gistfile1.nim

proc incval(x: string; y: string): string =
    "completely unrelated"

proc test(): tuple[incval: proc(); getval: proc():int] =
    
    var val = 0

    proc incval() =
        inc val

    proc getval(): int =
        val

    result = (incval: incval, getval: getval) # <--- error here
    # closures.nim(15, 13) Error: type mismatch:
    # got (tuple[incval: None, getval: proc (): int{.closure, gcsafe, locks: 0.}])
    # but expected 'tuple[incval: proc (){.closure.}, getval: proc (): int{.closure.}]'


var ret = test()

echo ret.getval()
ret.incval()
ret.incval()
ret.incval()
echo ret.getval()