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FFI: Change priority of table initializer variants for structs.

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This commit is contained in:
Mike Pall
2012-11-15 00:21:01 +01:00
parent 2689f32453
commit 16f23458bc
2 changed files with 10 additions and 9 deletions
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14
doc/ext_ffi_semantics.html
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@@ -517,17 +517,17 @@ A VLA is only initialized with the element(s) given in the table.
Depending on the use case, you may need to explicitly add a
<tt>NULL</tt> or <tt>0</tt> terminator to a VLA.</li>
<li>If the table has a non-empty hash part, a
<tt>struct</tt>/<tt>union</tt> is initialized by looking up each field
name (as a string key) in the table. Each non-<tt>nil</tt> value is
used to initialize the corresponding field.</li>
<li>Otherwise a <tt>struct</tt>/<tt>union</tt> is initialized in the
<li>A <tt>struct</tt>/<tt>union</tt> can be initialized in the
order of the declaration of its fields. Each field is initialized with
the consecutive table elements, starting at either index <tt>[0]</tt>
consecutive table elements, starting at either index <tt>[0]</tt>
or <tt>[1]</tt>. This process stops at the first <tt>nil</tt> table
element.</li>
<li>Otherwise, if neither index <tt>[0]</tt> nor <tt>[1]</tt> is present,
a <tt>struct</tt>/<tt>union</tt> is initialized by looking up each field
name (as a string key) in the table. Each non-<tt>nil</tt> value is
used to initialize the corresponding field.</li>
<li>Uninitialized fields of a <tt>struct</tt> are filled with zero
bytes, except for the trailing VLA of a VLS.</li>