Method binding

rust/src/symbol.rs:135–138

(mut self, binding: Binding)

    }

    pub fn binding(mut self, binding: Binding) -> Self {
        self.binding = binding;
        self
    }

    pub fn short_name<T: Into<String>>(mut self, short_name: T) -> Self {
        self.short_name = Some(short_name.into());