Trait ExprElement

Source

pub trait ExprElement: Sized {
    type ResultExpr: ExprElement;
    type Token: ListingElement;

Show 44 methods    // Required methods
    fn is_negated(&self) -> bool;
    fn is_relative(&self) -> bool;
    fn relative_delta(&self) -> i8;
    fn is_value(&self) -> bool;
    fn value(&self) -> i32;
    fn is_char(&self) -> bool;
    fn char(&self) -> char;
    fn is_bool(&self) -> bool;
    fn bool(&self) -> bool;
    fn is_string(&self) -> bool;
    fn string(&self) -> &str;
    fn is_float(&self) -> bool;
    fn float(&self) -> OrderedFloat<f64>;
    fn is_list(&self) -> bool;
    fn list(&self) -> &[Self];
    fn is_label(&self) -> bool;
    fn label(&self) -> &str;
    fn is_token_operation(&self) -> bool;
    fn token_operation(&self) -> &UnaryTokenOperation;
    fn token(&self) -> &Self::Token;
    fn is_prefix_label(&self) -> bool;
    fn prefix(&self) -> &LabelPrefix;
    fn is_binary_operation(&self) -> bool;
    fn binary_operation(&self) -> BinaryOperation;
    fn is_unary_operation(&self) -> bool;
    fn unary_operation(&self) -> UnaryOperation;
    fn is_unary_function(&self) -> bool;
    fn unary_function(&self) -> UnaryFunction;
    fn is_binary_function(&self) -> bool;
    fn binary_function(&self) -> BinaryFunction;
    fn is_paren(&self) -> bool;
    fn is_rnd(&self) -> bool;
    fn is_any_function(&self) -> bool;
    fn function_name(&self) -> &str;
    fn function_args(&self) -> &[Self];
    fn arg1(&self) -> &Self;
    fn arg2(&self) -> &Self;
    fn neg(&self) -> Self::ResultExpr;
    fn not(&self) -> Self::ResultExpr;
    fn add<E>(&self, v: E) -> Self::ResultExpr
       where E: Into<Self::ResultExpr>;
    fn is_context_independant(&self) -> bool;
    fn fix_relative_value(&mut self);
    fn to_expr(&self) -> Cow<'_, Expr>;

    // Provided method
    fn is_label_value(&self, label: &str) -> bool { ... }
}