pub fn is_range_start(&self) -> bool {
        self.name.starts_with('<')
            && self.name.ends_with('>')
            && self.name.contains("First")
    }
/// Returns true if and only if this record corresponds to the start of a
/// range.
Returns true if and only if this record corresponds to the start of a
range.
Returns true if and only if this record corresponds to the start of a range .
pub fn is_range_start(&self) -> bool {
        self.name.starts_with('<')
            && self.name.ends_with('>')
            && self.name.contains("First")
    }
pub fn is_range_start ( & self ) -> bool { self . name . starts_with ( '<' ) && self . name . ends_with ( '>' ) && self . name . contains ( " " ) }
Returns true if and only if this record corresponds to the start of a
range.
Returns true if and only if this record corresponds to the start of a range .
&self
&self