Enum PayloadPermission 

pub enum PayloadPermission {
    Permitted,
    Forbidden,
}

Whether an object carrying a given status is allowed a non-empty payload.

Draft-17 Section 10.2.1.1 states the rule arithmetically rather than as a table: “Any object with a status code other than zero MUST have an empty payload.” So the answer is a property of the status code, and every code but Normal forbids a payload.

Forbidding is the strict half; permitting is not requiring. A Normal object with no payload is well formed, and this draft’s encodings have a way to spell it — a zero Object Payload Length followed by the status code 0x0.

Variants

Permitted

The status permits a payload but does not require one.

Forbidden

An object with this status has an empty payload, and one carrying bytes is malformed.

Implementations

impl PayloadPermission

pub fn permits(self) -> bool

true for PayloadPermission::Permitted.

The permission answers on its own, without a payload length in hand, which is the point of reading it off the status.

Trait Implementations

impl Clone for PayloadPermission

fn clone(&self) -> PayloadPermission

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for PayloadPermission

impl Debug for PayloadPermission

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for PayloadPermission

impl PartialEq for PayloadPermission

fn eq(&self, other: &PayloadPermission) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for PayloadPermission