diff options
| -rw-r--r-- | lib/js/asyncjs.nim | 10 | ||||
| -rw-r--r-- | tests/js/tasyncjs.nim | 5 |
2 files changed, 14 insertions, 1 deletions
diff --git a/lib/js/asyncjs.nim b/lib/js/asyncjs.nim index 364f7a21a..8e2f85156 100644 --- a/lib/js/asyncjs.nim +++ b/lib/js/asyncjs.nim @@ -100,10 +100,18 @@ proc isFutureVoid(node: NimNode): bool = node[1].kind == nnkIdent and $node[1] == "void" proc generateJsasync(arg: NimNode): NimNode = - if arg.kind notin {nnkProcDef, nnkLambda, nnkMethodDef, nnkDo}: + if arg.kind notin {nnkProcDef, nnkLambda, nnkMethodDef, nnkDo, nnkProcTy}: error("Cannot transform this node kind into an async proc." & " proc/method definition or lambda node expected.") + # Transform type X = proc (): something {.async.} + # into type X = proc (): Future[something] + if arg.kind == nnkProcTy: + result = arg + if arg[0][0].kind == nnkEmpty: + result[0][0] = quote do: Future[void] + return result + result = arg var isVoid = false let jsResolve = ident("jsResolve") diff --git a/tests/js/tasyncjs.nim b/tests/js/tasyncjs.nim index 00753a16c..3de143643 100644 --- a/tests/js/tasyncjs.nim +++ b/tests/js/tasyncjs.nim @@ -94,4 +94,9 @@ proc main() {.async.} = doAssert "foobar: 7" in $reason.message echo "done" # justified here to make sure we're running this, since it's inside `async` +block asyncPragmaInType: + type Handler = proc () {.async.} + proc foo() {.async.} = discard + var x: Handler = foo + discard main() |