RS.CLIPPY.DOUBLE_PARENS

Warn on unnecessary double parentheses

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

What it does

Checks for unnecessary double parentheses.

Why is this bad?

This makes code harder to read and might indicate a mistake.

Example

fn simple_double_parens() -> i32 {
    ((0))
}

foo((0));

Use instead:

fn simple_no_parens() -> i32 {
    0
}

foo(0);