Commit 56aaa78a authored by simonpj@microsoft.com's avatar simonpj@microsoft.com

Improve documentation for -fwarn-incomplete-patterns

parent 0656c72a
......@@ -1221,14 +1221,15 @@ foreign import "&f" f :: FunPtr t
<indexterm><primary>incomplete patterns, warning</primary></indexterm>
<indexterm><primary>patterns, incomplete</primary></indexterm>
<para>Similarly for incomplete patterns, the function
<function>g</function> below will fail when applied to
<para>Similarly for incomplete patterns, the functions
<function>g</function> and <function>h</function> below will fail when applied to
non-empty lists, so the compiler will emit a warning about
this when <option>-fwarn-incomplete-patterns</option> is
enabled.</para>
<programlisting>
g [] = 2
h = \[] -> 2
</programlisting>
<para>This option isn't enabled by default because it can be
......
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