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| author | Mike Pall <mike> | 2012-09-03 21:10:10 +0200 |
|---|---|---|
| committer | Mike Pall <mike> | 2012-09-03 21:11:08 +0200 |
| commit | 0648fd47cb5560cf1a44a211a75997863e8470dd (patch) | |
| tree | 794077cf10c0f9dcb05c406904342880025311e3 /doc | |
| parent | 90ec1f90d0c31ab9398e971665c1e33d3158f9c0 (diff) | |
| download | luajit2-0648fd47cb5560cf1a44a211a75997863e8470dd.tar.gz | |
FFI: Handle __pairs/__ipairs metamethods for cdata objects.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/ext_ffi_api.html | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/doc/ext_ffi_api.html b/doc/ext_ffi_api.html index 16066612..503c6e4a 100644 --- a/doc/ext_ffi_api.html +++ b/doc/ext_ffi_api.html @@ -525,7 +525,16 @@ Returns a string representation of the value of 64 bit integers complex numbers (<tt><b>"</b>re±im<b>i"</b></tt>). Otherwise returns a string representation of the C type of a ctype object (<tt><b>"ctype<</b>type<b>>"</b></tt>) or a cdata object -(<tt><b>"cdata<</b>type<b>>: </b>address"</tt>). +(<tt><b>"cdata<</b>type<b>>: </b>address"</tt>), unless you +override it with a <tt>__tostring</tt> metamethod (see +<a href="#ffi_metatype"><tt>ffi.metatype()</tt></a>). +</p> + +<h3 id="pairs"><tt>iter, obj, start = pairs(cdata)<br> +iter, obj, start = ipairs(cdata)<br></tt></h3> +<p> +Calls the <tt>__pairs</tt> or <tt>__ipairs</tt> metamethod of the +corresponding ctype. </p> <h2 id="literals">Extensions to the Lua Parser</h2> |