Macro wasmtime_environ::entity_impl

macro_rules! entity_impl {
    ($entity:ident) => { ... };
    ($entity:ident, $display_prefix:expr) => { ... };
    ($entity:ident, $display_prefix:expr, $arg:ident, $to_expr:expr, $from_expr:expr) => { ... };
}

Macro which provides the common implementation of a 32-bit entity reference.