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mirror_flatbuffers
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master
rust/reflection/src/struct.rs
61 строка
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Chan Wang
Rust full reflection (#8102)
15 янв 2025, 21:03
Не верифицирован
15 янв 2025, 21:03
733e432
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/* * Copyright 2018 Google Inc. All rights reserved. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ use flatbuffers::Follow; #[derive(Clone, Copy, Debug, PartialEq, Eq)] pub struct Struct<'a> { buf: &'a [u8], loc: usize, } impl<'a> Struct<'a> { #[inline] pub fn buf(&self) -> &'a [u8] { self.buf } #[inline] pub fn loc(&self) -> usize { self.loc } /// # Safety /// /// [buf] must contain a valid struct at [loc] #[inline] pub unsafe fn new(buf: &'a [u8], loc: usize) -> Self { Struct { buf, loc } } /// Retrieves the value at the provided [byte_loc]. No field in [Struct] is optional. /// /// # Safety /// /// The value of the corresponding slot must have type T #[inline] pub unsafe fn get<T: Follow<'a> + 'a>(&self, byte_loc: usize) -> T::Inner { <T>::follow(self.buf, self.loc + byte_loc) } } impl<'a> Follow<'a> for Struct<'a> { type Inner = Struct<'a>; #[inline] unsafe fn follow(buf: &'a [u8], loc: usize) -> Self::Inner { Struct { buf, loc } } }