Method has_locale_format

crates/common/src/format.rs:477–479

Returns true if this format spec uses the locale-aware 'n' format type.

(&self)

    /// Returns true if this format spec uses the locale-aware 'n' format type.
    pub fn has_locale_format(&self) -> bool {
        matches!(self.format_type, Some(FormatType::Number(Case::Lower)))
    }

    /// Insert locale-aware thousands separators into an integer string.
    /// Follows CPython's GroupGenerator logic for variable-width grouping.