Re: Proposal: Improve the API for TChan, TMVar, and TVar

On Sat, Mar 26, 2011 at 6:26 AM, Bas van Dijk wrote:

On 26 March 2011 10:29, wren ng thornton wrote:

...

   tryReadTChan :: TChan a -> STM (Maybe a)

+1 if we also add: tryReadChan :: Chan a -> IO (Maybe a)

...

   peekTChan :: TChan a -> STM a    tryPeekTChan :: TChan a -> STM (Maybe a)

+1 if we also add: peekChan :: Chan a -> IO a tryPeekChan :: Chan a -> IO (Maybe a)

Here's the last time 'tryReadChan' came up, for reference: http://thread.gmane.org/gmane.comp.lang.haskell.libraries/14596 I feel like these sorts of operations are much easier to get right in STM. +1 on adding the above to STM, though. Antoine