rkyv (archive) is a zero-copy deserialization framework for Rust.
- rkyv, the core library
- rkyv_dyn, which adds trait object support to rkyv
- rkyv_typename, a type naming library
- The rkyv book covers the motivation and architecture of rkyv
- bytecheck, which rkyv uses for validation
use rkyv::{Aligned, Archive, ArchiveBuffer, Archived, archived_value, Write};
#[derive(Archive)]
struct Test {
int: u8,
string: String,
option: Option<Vec<i32>>,
}
fn main() {
let value = Test {
int: 42,
string: "hello world".to_string(),
option: Some(vec![1, 2, 3, 4]),
};
let mut writer = ArchiveBuffer::new(Aligned([0u8; 256]));
let pos = writer.archive(&value).expect("failed to archive test");
let buf = writer.into_inner();
let archived = unsafe { archived_value::<Test>(buf.as_ref(), pos) };
assert_eq!(archived.int, value.int);
assert_eq!(archived.string, value.string);
assert_eq!(archived.option, value.option);
}