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| author | ringabout <43030857+ringabout@users.noreply.github.com> | 2022-10-23 14:27:34 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-10-23 08:27:34 +0200 |
| commit | c75cfb363fb8a827774892c76f3417efcf58cba0 (patch) | |
| tree | d28d82618a80b79ba403ec21272f7118fafcf42b | |
| parent | fa1606c6d6799823de51f7a273ae5da2f3fa6e3a (diff) | |
| download | Nim-c75cfb363fb8a827774892c76f3417efcf58cba0.tar.gz | |
improve error message when using `toTask` with a call with a return value (#20622)
| -rw-r--r-- | lib/std/tasks.nim | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/std/tasks.nim b/lib/std/tasks.nim index ac35e26bf..055ddf144 100644 --- a/lib/std/tasks.nim +++ b/lib/std/tasks.nim @@ -110,7 +110,8 @@ macro toTask*(e: typed{nkCall | nkInfix | nkPrefix | nkPostfix | nkCommand | nkC let b = toTask hello(13) assert b is Task - doAssert getTypeInst(e).typeKind == ntyVoid + if getTypeInst(e).typeKind != ntyVoid: + error("'toTask' cannot accept a call with a return value", e) when compileOption("threads"): if not isGcSafe(e[0]): |