Function is_bitwise_decode 

pub const fn is_bitwise_decode<T>() -> bool
where
    T: for<'de> Decode<'de, Binary, Disabled>,

Test if the given type T is marked with the #[musli(packed)] attribute, and is bitwise encodeable in the Binary mode using the Disabled allocator.

See the help section for #[musli(packed)] for more information.