Macro rustler::rustler_atoms

macro_rules! rustler_atoms {
    {
        $(
            $( #[$attr:meta] )*
            atom $name:ident $( = $str:expr )?;
        )*
    } => { ... };
    { @internal_make_atom($env:ident, $name:ident) } => { ... };
    { @internal_make_atom($env:ident, $name:ident = $str:expr) } => { ... };
}

Deprecated since 0.22.0:

Please use atoms! instead.