Commit 94f2057f authored by Edward Z. Yang's avatar Edward Z. Yang

Release note for atomicReadMVar and friends.

Signed-off-by: Edward Z. Yang's avatarEdward Z. Yang <ezyang@mit.edu>
parent db8d4a34
......@@ -277,6 +277,16 @@
instances for <literal>Either a</literal> and <literal>(,) a</literal>
</para>
</listitem>
<listitem>
<para>
<literal>Control.Concurrent.MVar</literal> has two
new functions, <literal>atomicReadMVar</literal> and
<literal>tryAtomicReadMVar</literal>, which
implement <literal>readMVar</literal> that cannot be
affected by other threads. (XXXX we may change the implementation
of <literal>readMVar</literal> to use this.)
</para>
</listitem>
</itemizedlist>
</sect3>
......
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