no-used-underscore-binding

Disallow using bindings named as unused

A leading underscore declares that a binding is intentionally unused, so later uses contradict its name.
Instead, you SHOULD remove the underscore or remove every use of the binding.

- Category: style
- Level: warning
- Fix: none
- Scope: module

Reported

function double(_value: int32): int32 {
    return _value * 2;
}
Accepted

function double(value: int32): int32 {
    return value * 2;
}
Prior art

- Clippy · usedunderscorebinding

language/linter/src/rules/style/nousedunderscorebinding.rs:6