diff options
Diffstat (limited to 'lib/pure/asyncmacro.nim')
| -rw-r--r-- | lib/pure/asyncmacro.nim | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/pure/asyncmacro.nim b/lib/pure/asyncmacro.nim index ce84491eb..c6f4ae04a 100644 --- a/lib/pure/asyncmacro.nim +++ b/lib/pure/asyncmacro.nim @@ -212,6 +212,12 @@ proc verifyReturnType(typeName: string) {.compileTime.} = proc asyncSingleProc(prc: NimNode): NimNode {.compileTime.} = ## This macro transforms a single procedure into a closure iterator. ## The ``async`` macro supports a stmtList holding multiple async procedures. + if prc.kind == nnkProcTy: + result = prc + if prc[0][0].kind == nnkEmpty: + result[0][0] = parseExpr("Future[void]") + return result + if prc.kind notin {nnkProcDef, nnkLambda, nnkMethodDef, nnkDo}: error("Cannot transform this node kind into an async proc." & " proc/method definition or lambda node expected.") |