Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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38 lines
1.3 KiB
38 lines
1.3 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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//! Rust Protobuf Runtime |
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//! |
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//! This file exists as the public entry point for the Rust Protobuf runtime. It |
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//! is a thin re-export of the `shared.rs` file but is needed for two reasons: |
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//! - To create a single `protobuf` crate name for either cpp and upb kernels |
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//! from user code (toggled at compile time). |
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//! - Blocks the __internal and __runtime modules from being re-exported to |
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//! application code, unless they use one of our visibility-restricted targets |
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//! (gencode does have access to them). |
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#[cfg(cpp_kernel)] |
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use protobuf_cpp as kernel; |
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#[cfg(upb_kernel)] |
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use protobuf_upb as kernel; |
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/// Block these two mods from being re-exported by the `pub use` |
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/// below (glob use automatically only adds things that aren't otherwise |
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/// defined). |
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/// |
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/// By creating a const instead of an empty mod it is easier to have a test |
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/// that confirms this targeted 'blocking' is working as intended. |
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#[doc(hidden)] |
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#[allow(non_upper_case_globals)] |
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pub const __internal: () = (); |
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#[doc(hidden)] |
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#[allow(non_upper_case_globals)] |
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pub const __runtime: () = (); |
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pub use kernel::*;
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