Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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61 lines
2.0 KiB
61 lines
2.0 KiB
// Protocol Buffers - Google's data interchange format |
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// Copyright 2023 Google LLC. All rights reserved. |
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// |
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// Use of this source code is governed by a BSD-style |
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// license that can be found in the LICENSE file or at |
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// https://developers.google.com/open-source/licenses/bsd |
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//! Kernel-agnostic logic for the Rust Protobuf runtime that should not be |
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//! exposed to through the `protobuf` path but must be public for use by |
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//! generated code. |
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// Used by the proto! macro |
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pub use paste::paste; |
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use crate::map; |
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pub use crate::r#enum::Enum; |
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use crate::repeated; |
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pub use crate::ProtoStr; |
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use crate::Proxied; |
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pub use std::fmt::Debug; |
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// TODO: Temporarily re-export these symbols which are now under |
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// __runtime under __internal since some external callers using it through |
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// __internal. |
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pub use crate::__runtime::{PtrAndLen, RawMap, RawMessage, RawRepeatedField}; |
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/// Used to protect internal-only items from being used accidentally. |
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#[derive(Debug)] |
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pub struct Private; |
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/// A trait that is used as a subtrait of traits that we intend to be used but |
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/// not be implemented by users. |
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/// |
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/// This is slightly less 'sealed' than the typical sealed trait pattern would |
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/// permit in other crates; this trait is intended to be available to crates |
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/// which were generated by protoc, but not to application code. |
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/// |
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/// We require Sized as a supertrait, because we generally do not want our |
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/// traits to support trait objects. |
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pub trait SealedInternal: Sized {} |
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/// A trait used by the proto_eq() gtest macro. |
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pub trait MatcherEq: SealedInternal + Debug { |
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fn matches(&self, o: &Self) -> bool; |
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} |
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/// Used by the proto! macro to get a default value for a repeated field. |
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pub fn get_repeated_default_value<T: repeated::ProxiedInRepeated + Default>( |
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_: Private, |
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_: repeated::RepeatedView<'_, T>, |
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) -> T { |
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Default::default() |
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} |
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/// Used by the proto! macro to get a default value for a map field. |
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pub fn get_map_default_value<K: Proxied, V: map::ProxiedInMapValue<K> + Default>( |
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_: Private, |
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_: map::MapView<'_, K, V>, |
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) -> V { |
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Default::default() |
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}
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