prefer-nested-or-pattern

Prefer nesting or-patterns inside their shared nominal pattern

Repeating the same nominal pattern in every or-pattern branch obscures the field that varies.
Instead, you SHOULD place the alternatives in the shared field pattern.

- Category: style
- Level: warning
- Fix: automatic
- Scope: module

Reported

function isSmall(result: Result<int32, string>): boolean {
    return match (result) {
        Ok { value: 0 } | Ok { value: 1 } => true
        _ => false
    };
}
Accepted

function isSmall(result: Result<int32, string>): boolean {
    return match (result) {
        Ok { value: 0 | 1 } => true
        _ => false
    };
}
Prior art

- Clippy · unnestedorpatterns

language/linter/src/rules/style/prefernestedorpattern.rs:8