mlua 0.12.0

High level bindings to Lua 5.5/5.4/5.3/5.2/5.1 (including LuaJIT) and Luau with async/await features and support of writing native Lua modules in Rust.
Documentation 
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error: `meta` can only be combined with `field`
 --> tests/compile/userdata_getter_and_meta.rs:6:5
  |
6 |     #[lua(getter, meta)]
  |     ^^^^^^^^^^^^^^^^^^^^