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Rust errors / Const, static and compile-time

Rust compiler error · checked with rustc 1.99.0

Rust error E0763: unterminated byte constant

What it meansA byte constant wasn't correctly ended.

What rustc prints

error[E0763]: unterminated byte constant
 --> main.rs:1:10
  |
1 | let c = b'a; // error!
  |          ^^^^

Real output of rustc 1.99.0 compiling the official example below (2021 edition). Your names and line numbers will differ; the first line is the part to match.

E0763Const, static and compile-time
Activein rustc 1.99.0
4related errors linked below

The compiler team's explanation

A byte constant wasn't correctly ended.

Erroneous code example:

let c = b'a; // error!

To fix this error, add the missing quote:

let c = b'a'; // ok!

From rustc --explain E0763 (1.99.0), part of the Rust project, MIT or Apache-2.0. Official page.

Related errors

All 518 Rust error codes · Rust crate data · Glossary

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