RS.CLIPPY.USE_DEBUG

Use of `Debug`-based formatting

This checker is a Clippy lint created by The Rust Project Contributors. The documentation shown here is a copy of the original documentation for: use_debug. Copyright ©2025 The Rust Team. All rights reserved.

What it does

Checks for usage of Debug formatting. The purpose of this lint is to catch debugging remnants.

Why restrict this?

The purpose of the Debug trait is to facilitate debugging Rust code, and no guarantees are made about its output. It should not be used in user-facing output.

Example

println!("{:?}", foo);