This repository was archived by the owner on Aug 15, 2025. It is now read-only.
This repository was archived by the owner on Aug 15, 2025. It is now read-only.
recursive struct gives: overflow evaluating the requirement SliceReader: Sized #467
Description
use std::collections::BTreeMap;
#[derive(bincode::Decode)]
struct AllTypes(BTreeMap<u8, AllTypes>);
fn main() {
let result: Result<(AllTypes, _), _> = bincode::decode_from_slice(
&[],
bincode::config::Configuration::standard().with_limit::<1024>(),
);
}[dependencies]
bincode = "2.0.0-beta.0"error[E0275]: overflow evaluating the requirement `SliceReader: Sized`
|
= help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`scratchhM619rEHl`)
= note: required because of the requirements on the impl of `Decoder` for `DecoderImpl<SliceReader, Configuration<LittleEndian, Varint, SkipFixedArrayLength, Limit<1024_usize>>>`
= note: 128 redundant requirements hidden
= note: required because of the requirements on the impl of `Decoder` for `&mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut &mut DecoderImpl<SliceReader, Configuration<LittleEndian, Varint, SkipFixedArrayLength, Limit<1024_usize>>>`
This code might be wrong, but is there any way to detect it earlier?