Can't call quit in a async function.

[kayabaNerve]

Minimized code sample:

import asyncdispatch

proc a() {.async.} =
    echo "Hi"
    quit(0)

The compiler fails with:

test.nim(3, 10) template/generic instantiation from here
test.nim(4, 5) Error: unreachable statement after 'return'

[LemonBoy]

Yeah, the async macro doesn't know about quit being noreturn and inserts a complete(retFuture...) after it.

[qqtop]

Currently I put the quit(0) into a proc. This seems to work

import asyncdispatch

proc a(mybool:bool) : Future[string] {.async.} =
   
   proc qt() = echo "Bye-Bye";quit(0)
   
   if mybool == true:
      qt()
   else:
      echo "Hello" 

while true:
    for _ in 0 ..< 3:  
        asyncCheck a(false)
    asyncCheck a(true)
runforever()

[ghost]

Works on devel:

import asyncdispatch

proc a() {.async.} =
  echo "Hi"
  quit(0)

waitFor a()

Add a test-case probably?

[timotheecour]

Probably got fixed by my recent defer bugfix, yes, test case needed

[timotheecour]

closed by #14795