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.
Derive macros fail with new "explicit discriminants on enums with fields" #606
Description
Rust 1.66 was just released, along with Explicit discriminants on enums with fields. The given example does not compile when adding bincode (2.0.0-rc.2) derive macros to the enum:
$ cargo -V
# cargo 1.66.0 (d65d197ad 2022-11-15)
#[derive(Decode, Encode)]
#[repr(u8)]
enum Foo {
A(u8),
B(i8),
C(bool) = 42,
}
# error: Invalid rust syntax, expected ident, got Some(Punct { ch: '=', spacing: Alone, span: #0 bytes(334..335) })