Trait MaxOneMarker 

pub trait MaxOneMarker: HeaderKind { }

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors

impl MaxOneMarker for Bcc

impl MaxOneMarker for Cc

impl MaxOneMarker for ContentDescription

impl MaxOneMarker for ContentDisposition

impl MaxOneMarker for ContentId

impl MaxOneMarker for ContentTransferEncoding

impl MaxOneMarker for ContentType

impl MaxOneMarker for Date

impl MaxOneMarker for InReplyTo

impl MaxOneMarker for MessageId

impl MaxOneMarker for References

impl MaxOneMarker for ReplyTo

impl MaxOneMarker for Sender

impl MaxOneMarker for Subject

impl MaxOneMarker for _From

impl MaxOneMarker for _To