pub fn map<U, F: FnOnce(E) -> U>(self, f: F) -> Located<I, U> {
        Located {
            at: self.at,
            error: f(self.error),
            phantom: PhantomData,
        }
    }
/// Map the error with the given function.
Map the error with the given function.
Map the error with the given function .
pub fn map<U, F: FnOnce(E) -> U>(self, f: F) -> Located<I, U> {
        Located {
            at: self.at,
            error: f(self.error),
            phantom: PhantomData,
        }
    }
pub fn map < U , F : FnOnce ( E ) -> U > ( self , f : F ) -> Located < I , U > { Located { at : self . at , error : f ( self . error ) , phantom : PhantomData , } }
Map the error with the given function.
Map the error with the given function .
self
f
F