pub trait CharExt {
// Required methods
fn is_opening_delimiter(self) -> bool;
fn is_closing_delimiter(self) -> bool;
fn column_count(self) -> usize;
fn opposite_delimiter(&self) -> Option<char>;
}
pub trait CharExt {
// Required methods
fn is_opening_delimiter(self) -> bool;
fn is_closing_delimiter(self) -> bool;
fn column_count(self) -> usize;
fn opposite_delimiter(&self) -> Option<char>;
}