Function format_missing_args

crates/vm/src/builtins/function.rs:30–59

(
    qualname: impl core::fmt::Display,
    kind: &str,
    missing: &mut Vec<impl core::fmt::Display>,
)

use rustpython_jit::CompiledCode;

fn format_missing_args(
    qualname: impl core::fmt::Display,
    kind: &str,
    missing: &mut Vec<impl core::fmt::Display>,
) -> String {
    let count = missing.len();
    let last = if missing.len() > 1 {
        missing.pop()
    } else {
        None
    };
    let (and, right): (&str, String) = if let Some(last) = last {
        (
            if missing.len() == 1 {
                "' and '"
            } else {
                "', and '"
            },
            format!("{last}"),
        )
    } else {
        ("", String::new())
    };
    format!(
        "{qualname}() missing {count} required {kind} argument{}: '{}{}{right}'",
        if count == 1 { "" } else { "s" },
        missing.iter().join("', '"),
        and,
    )
}

#[pyclass(module = false, name = "function", traverse = "manual")]
#[derive(Debug)]