diff options
| -rw-r--r-- | lib/pure/asyncdispatch.nim | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/lib/pure/asyncdispatch.nim b/lib/pure/asyncdispatch.nim index c924d0a3d..20ad60427 100644 --- a/lib/pure/asyncdispatch.nim +++ b/lib/pure/asyncdispatch.nim @@ -101,16 +101,9 @@ ## Handling Exceptions ## ------------------- ## -## The most reliable way to handle exceptions is to use `yield` on a future -## then check the future's `failed` property. For example: -## -## .. code-block:: Nim -## var future = sock.recv(100) -## yield future -## if future.failed: -## # Handle exception +## You can handle exceptions in the same way as in ordinary Nim code; +## by using the try statement: ## -## The `async` procedures also offer limited support for the try statement. ## ## .. code-block:: Nim ## try: @@ -119,9 +112,16 @@ ## except: ## # Handle exception ## -## Unfortunately the semantics of the try statement may not always be correct, -## and occasionally the compilation may fail altogether. -## As such it is better to use the former style when possible. +## +## +## An alternative approach to handling exceptions is to use `yield` on a future +## then check the future's `failed` property. For example: +## +## .. code-block:: Nim +## var future = sock.recv(100) +## yield future +## if future.failed: +## # Handle exception ## ## ## Discarding futures @@ -1987,4 +1987,4 @@ when defined(linux) or defined(windows) or defined(macosx) or defined(bsd) or var fdLim: RLimit if getrlimit(RLIMIT_NOFILE, fdLim) < 0: raiseOSError(osLastError()) - result = int(fdLim.rlim_cur) - 1 \ No newline at end of file + result = int(fdLim.rlim_cur) - 1 |