Skip to main content

MessageDescriptor

Struct MessageDescriptor 

Source
pub struct MessageDescriptor { /* private fields */ }
Expand description

Handle to one message in a DescriptorPool.

Implementations§

Source§

impl MessageDescriptor

Source

pub fn full_name(&self) -> &str

Fully-qualified name (<package>.<...>.<MessageName>, no leading dot).

Source

pub fn name(&self) -> &str

Leaf name (the part after the last .).

Source

pub fn parent_file(&self) -> FileDescriptor

Owning file.

Source

pub fn parent_message(&self) -> Option<MessageDescriptor>

Containing message, when this message is nested.

Source

pub fn fields(&self) -> impl ExactSizeIterator<Item = FieldDescriptor> + '_

All declared fields, in proto declaration order.

Source

pub fn oneofs(&self) -> impl ExactSizeIterator<Item = OneofDescriptor> + '_

All oneof declarations, in declaration order. Includes synthetic oneofs introduced by proto3 optional; filter with OneofDescriptor::is_synthetic when only user-authored oneofs are wanted.

Source

pub fn get_field_by_name(&self, name: &str) -> Option<FieldDescriptor>

Lookup a field by its proto name.

Source

pub fn get_field_by_json_name(&self, name: &str) -> Option<FieldDescriptor>

Lookup a field by its JSON name.

Source

pub fn get_field_by_number(&self, number: u32) -> Option<FieldDescriptor>

Lookup a field by its tag number.

Source

pub fn is_map_entry(&self) -> bool

True iff this is a map<K,V> entry message synthesized by protoc.

Source

pub fn descriptor_proto(&self) -> &DescriptorProto

Raw DescriptorProto backing this descriptor (for source-info, proto2 default values, options, etc.).

Trait Implementations§

Source§

impl Clone for MessageDescriptor

Source§

fn clone(&self) -> MessageDescriptor

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

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

Performs copy-assignment from source. Read more
Source§

impl Debug for MessageDescriptor

Source§

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

Formats the value using the given formatter. Read more
Source§

impl Eq for MessageDescriptor

Source§

impl PartialEq for MessageDescriptor

Source§

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

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

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

Inequality operator !=. Read more

Auto Trait Implementations§

Blanket Implementations§

Source§

impl<T> Any for T
where T: 'static + ?Sized,

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

impl<T> Borrow<T> for T
where T: ?Sized,

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
Source§

impl<T> CloneToUninit for T
where T: Clone,

Source§

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
Source§

impl<Q, K> Equivalent<K> for Q
where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

Source§

fn equivalent(&self, key: &K) -> bool

Checks if this value is equivalent to the given key. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

impl<T, U> Into<U> for T
where U: From<T>,

Source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Source§

impl<T> ToOwned for T
where T: Clone,

Source§

type Owned = T

The resulting type after obtaining ownership.
Source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
Source§

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
Source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
Source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

Source§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
Source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.