pub struct MergeFieldsOptions {
    pub replace_message_fields: Option<bool>,
    pub replace_repeated_fields: Option<bool>,
}
Expand description

Options for merging updated fields.

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§replace_message_fields: Option<bool>

When merging message fields, the default behavior is to merge the content of two message fields together. If you instead want to use the field from the source message to replace the corresponding field in the destination message, set this flag to true. When this flag is set, specified submessage fields that are missing in source will be cleared in destination.

§replace_repeated_fields: Option<bool>

When merging repeated fields, the default behavior is to append entries from the source repeated field to the destination repeated field. If you instead want to keep only the entries from the source repeated field, set this flag to true.

If you want to replace a repeated field within a message field on the destination message, you must set both replace_repeated_fields and replace_message_fields to true, otherwise the repeated fields will be appended.

Implementations§

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impl MergeFieldsOptions

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pub fn replace_message_fields(&self) -> bool

Returns the value of replace_message_fields, or the default value if replace_message_fields is unset.

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pub fn replace_repeated_fields(&self) -> bool

Returns the value of replace_repeated_fields, or the default value if replace_repeated_fields is unset.

Trait Implementations§

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impl Clone for MergeFieldsOptions

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fn clone(&self) -> MergeFieldsOptions

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for MergeFieldsOptions

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

Formats the value using the given formatter. Read more
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impl Default for MergeFieldsOptions

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl Message for MergeFieldsOptions

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fn encoded_len(&self) -> usize

Returns the encoded length of the message without a length delimiter.
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fn clear(&mut self)

Clears the message, resetting all fields to their default.
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fn encode(&self, buf: &mut impl BufMut) -> Result<(), EncodeError>
where Self: Sized,

Encodes the message to a buffer. Read more
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fn encode_to_vec(&self) -> Vec<u8>
where Self: Sized,

Encodes the message to a newly allocated buffer.
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fn encode_length_delimited( &self, buf: &mut impl BufMut, ) -> Result<(), EncodeError>
where Self: Sized,

Encodes the message with a length-delimiter to a buffer. Read more
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fn encode_length_delimited_to_vec(&self) -> Vec<u8>
where Self: Sized,

Encodes the message with a length-delimiter to a newly allocated buffer.
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fn decode(buf: impl Buf) -> Result<Self, DecodeError>
where Self: Default,

Decodes an instance of the message from a buffer. Read more
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fn decode_length_delimited(buf: impl Buf) -> Result<Self, DecodeError>
where Self: Default,

Decodes a length-delimited instance of the message from the buffer.
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fn merge(&mut self, buf: impl Buf) -> Result<(), DecodeError>
where Self: Sized,

Decodes an instance of the message from a buffer, and merges it into self. Read more
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fn merge_length_delimited(&mut self, buf: impl Buf) -> Result<(), DecodeError>
where Self: Sized,

Decodes a length-delimited instance of the message from buffer, and merges it into self.
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impl PartialEq for MergeFieldsOptions

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

This method tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for MergeFieldsOptions

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impl StructuralPartialEq for MergeFieldsOptions

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

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Gets the TypeId of self. Read more
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where T: ?Sized,

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fn borrow(&self) -> &T

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where T: ?Sized,

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where T: Clone,

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Converts to this type from a reference to the input type.
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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more
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where 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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fn into_request(self) -> Request<T>

Wrap the input message T in a tonic::Request
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where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

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Performs the conversion.
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where U: TryFrom<T>,

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

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