diff options
Diffstat (limited to 'stdlib/source/lux/concurrency/stm.lux')
| -rw-r--r-- | stdlib/source/lux/concurrency/stm.lux | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/stdlib/source/lux/concurrency/stm.lux b/stdlib/source/lux/concurrency/stm.lux index f7c7664f1..cc39ae0c3 100644 --- a/stdlib/source/lux/concurrency/stm.lux +++ b/stdlib/source/lux/concurrency/stm.lux @@ -264,7 +264,7 @@ For this reason, it's important to note that transactions must be free from side-effects, such as I/O."} (All [a] (-> (STM a) (P.Promise a))) - (let [output (P.promise ($ +0))] + (let [output (: (P.Promise ($ +0)) (P.promise #.None))] (exec (io.run init-processor!) (io.run (write! [stm-proc output] pending-commits)) output))) |