type
IntOrString = int | string
template doSth*(x: IntOrString): untyped =
when x is int:
echo $(x + 1)
else:
echo $(x & "1")
when isMainModule:
doSth(2) # prints 3
doSth("X") # prints X1
var myBool = true
if myBool: # this obviously works as well
doSth(2)
else:
doSth("X")
##################
doSth(if myBool: 2 else: "X") # got string, but expected int
# let's trick the compiler
var param: IntOrString =
if myBool: 2 # got string, but expected int
else: "X"
var param2: int = # but a non-generic variable
if myBool: 2 # works fine
else: 3
# let's try to trick the compiler again
var param3: IntOrString # invalid type IntOrString for var
Run
Is there any way to be able to do something like `doSth(if myBool: 2 else:
"X")`, without being forced to repeat the whole thing over and over again?
P.S. obviously the issue is about a much more complex construct, but apparently
I cannot seem to make even this one "work".
