Macro lua_macros::convert_arguments

macro_rules! convert_arguments {
    (@strict $strict:expr, $state:ident, $($from:tt),+) => { ... };
    (@unpack _, $state:ident, $base:expr, $position:expr) => { ... };
    (@unpack $from:ty, $state:ident, $base:expr, $position:expr) => { ... };
    ($state:ident, $($from:tt),+) => { ... };
}

Convert arguments using FromLua trait.