unused-enumerate-index

Disallow indexed iteration when its index is unused

Indexed iteration constructs an index-value pair for every element even when the index is unused.
Instead, you SHOULD iterate over the values directly.

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

Reported

function copy(values: int32[], output: int32[]): void {
    for (const (_, value) of values.entries()) {
        output.push(value);
    }
}
Accepted

function copy(values: int32[], output: int32[]): void {
    for (const value of values) {
        output.push(value);
    }
}
Prior art

- Clippy · unusedenumerateindex

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