Trait objc2::encode::__unstable::EncodeReturn

pub unsafe trait EncodeReturn: Sealed {
    const ENCODING_RETURN: Encoding;
}

Available on crate feature unstable-encode-internals only.

Types that are safe as the return value from Objective-C.

We currently don’t need a similar EncodeArgument trait, but we might in the future.

Safety

Similar to Encode.

Required Associated Constants

const ENCODING_RETURN: Encoding

The Objective-C type-encoding for this type.

Implementations on Foreign Types

impl EncodeReturn for ()

const ENCODING_RETURN: Encoding = Encoding::Void

Implementors

impl<T: Encode> EncodeReturn for T

const ENCODING_RETURN: Encoding = T::ENCODING