fn display_list()

in guppy-summaries/src/report.rs [188:209]

• 19 lines of code
• 4 McCabe index (conditional complexity)

fn display_list<I>(f: &mut fmt::Formatter, items: I) -> fmt::Result
where
    I: IntoIterator,
    I::Item: fmt::Display,
    I::IntoIter: ExactSizeIterator,
{
    let items = items.into_iter();
    let len = items.len();
    if len == 0 {
        write!(f, "[none]")?;
    }

    for (idx, item) in items.enumerate() {
        write!(f, "{}", item)?;
        // Add a comma for all items except the last one.
        if idx + 1 < len {
            write!(f, ", ")?;
        }
    }

    Ok(())
}