1 // Copyright 2021 The Chromium Authors 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef BASE_CONTAINERS_SPAN_RUST_H_ 6 #define BASE_CONTAINERS_SPAN_RUST_H_ 7 8 #include <stdint.h> 9 10 #include "base/containers/span.h" 11 #include "base/rust_buildflags.h" 12 #include "third_party/rust/cxx/v1/cxx.h" 13 14 #if !BUILDFLAG(BUILD_RUST_BASE_CONVERSIONS) 15 #error "span_rust.h included without BUILD_RUST_BASE_CONVERSIONS" 16 #endif 17 18 namespace base { 19 20 // Create a Rust slice from a base::span. SpanToRustSlice(span<const uint8_t> span)21inline rust::Slice<const uint8_t> SpanToRustSlice(span<const uint8_t> span) { 22 return rust::Slice<const uint8_t>(span.data(), span.size()); 23 } 24 25 } // namespace base 26 27 #endif // BASE_CONTAINERS_SPAN_RUST_H_ 28