mirror of https://git.sr.ht/~stygianentity/bincode
43 lines
1.1 KiB
Rust
43 lines
1.1 KiB
Rust
#![cfg(all(feature = "std", feature = "derive"))]
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extern crate std;
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use bincode::{Decode, Encode};
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use std::borrow::Cow;
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use std::string::String;
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#[derive(Decode, Encode, PartialEq, Debug)]
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#[bincode(
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decode_context = "()",
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borrow_decode_bounds = "&'__de U<'a, A>: ::bincode::de::BorrowDecode<'__de, ()> + '__de, '__de: 'a"
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)]
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struct T<'a, A: Clone + Encode + Decode<()>> {
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t: Cow<'a, U<'a, A>>,
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}
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#[derive(Clone, Decode, Encode, PartialEq, Debug)]
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#[bincode(
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decode_context = "()",
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borrow_decode_bounds = "&'__de A: ::bincode::de::BorrowDecode<'__de, ()> + '__de, '__de: 'a"
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)]
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struct U<'a, A: Clone + Encode + Decode<()>> {
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u: Cow<'a, A>,
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}
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#[test]
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fn test() {
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let u = U {
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u: Cow::Owned(String::from("Hello world")),
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};
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let t = T {
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t: Cow::Borrowed(&u),
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};
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let vec = bincode::encode_to_vec(&t, bincode::config::standard()).unwrap();
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let (decoded, len): (T<String>, usize) =
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bincode::decode_from_slice(&vec, bincode::config::standard()).unwrap();
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assert_eq!(t, decoded);
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assert_eq!(len, 12);
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}
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