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Restore the docstring during the .async. transform (#10404) [backport]

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Fixes #9816
This commit is contained in:
LemonBoy 2019-01-22 09:41:11 +01:00 • committed by Andreas Rumpf
commit 792dbed57e
1 changed files with 6 additions and 0 deletions
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6
lib/pure/asyncmacro.nim
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@ -245,6 +245,12 @@ proc asyncSingleProc(prc: NimNode): NimNode {.compileTime.} =
var outerProcBody = newNimNode(nnkStmtList, prc.body)
# Extract the documentation comment from the original procedure declaration.
# Note that we're not removing it from the body in order not to make this
# transformation even more complex.
if prc.body.len > 1 and prc.body[0].kind == nnkCommentStmt:
outerProcBody.add(prc.body[0])
# -> var retFuture = newFuture[T]()
var retFutureSym = genSym(nskVar, "retFuture")
var subRetType =