pub fn prettify(&self) -> String {
        if self.is_keyword() || self.is_symbol() || self.is_ignorable() {
            format!("{}", self)
        } else {
            format!("{:?}", self)
        }
    }
/// a prettified version of the token
a prettified version of the token
a prettified version of the token
pub fn prettify(&self) -> String {
        if self.is_keyword() || self.is_symbol() || self.is_ignorable() {
            format!("{}", self)
        } else {
            format!("{:?}", self)
        }
    }
pub fn prettify ( & self ) -> String { if self . is_keyword ( ) || self . is_symbol ( ) || self . is_ignorable ( ) { format ! ( " " self ) } else { format ! ( " " self ) } }
a prettified version of the token
a prettified version of the token
&self
&self