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

Dynamic message type

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impl MessageDescriptor

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pub fn get_proto(&self) -> &DescriptorProto

Get underlying DescriptorProto object.

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pub fn for_type<M: Message>() -> &'static MessageDescriptor

Get a message descriptor for given message type

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pub fn new_instance(&self) -> Box<dyn Message>

New empty message

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pub fn name(&self) -> &'static str

Message name as given in .proto file

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pub fn full_name(&self) -> &str

Fully qualified protobuf message name

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pub fn fields(&self) -> &[FieldDescriptor]

Message field descriptors.

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

Find message field by protobuf field name

Note: protobuf field name might be different for Rust field name.

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pub fn get_field_by_name_or_json_name<'a>( &'a self, name: &str ) -> Option<&'a FieldDescriptor>

Find message field by field name or field JSON name

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

Find message field by field name

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pub fn field_by_name<'a>(&'a self, name: &str) -> &'a FieldDescriptor

Find field by name

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pub fn field_by_number<'a>(&'a self, number: u32) -> &'a FieldDescriptor

Find field by number

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

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for Twhere T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for Twhere T: ?Sized,

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

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

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

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

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for Twhere U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.