Trait ra_syntax::algo::visit::Visitor

pub trait Visitor<'a>: Sized {
    type Output;

    fn accept(self, node: SyntaxNodeRef<'a>) -> Option<Self::Output>;

    fn visit<N, F>(self, f: F) -> Vis<Self, N, F>
    where
        N: AstNode<'a>,
        F: FnOnce(N) -> Self::Output,
    { ... }
}

Required Associated Types

type Output

Required Methods

fn accept(self, node: SyntaxNodeRef<'a>) -> Option<Self::Output>

Provided Methods

fn visit<N, F>(self, f: F) -> Vis<Self, N, F>where
    N: AstNode<'a>,
    F: FnOnce(N) -> Self::Output,

Implementors

impl<'a, V, N, F> Visitor<'a> for Vis<V, N, F>where
    V: Visitor<'a>,
    N: AstNode<'a>,
    F: FnOnce(N) -> <V as Visitor<'a>>::Output,

type Output = <V as Visitor<'a>>::Output