Trait MacroParamElement 

pub trait MacroParamElement: Clone + Debug {
    // Required methods
    fn empty() -> Self;
    fn is_single(&self) -> bool;
    fn is_list(&self) -> bool;
    fn single_argument(&self) -> Cow<'_, str, Lean>;
    fn list_argument(&self) -> &[Box<Self>];
    fn must_be_evaluated(&self) -> bool;

    // Provided method
    fn is_empty(&self) -> bool { ... }
}

Required Methods

fn empty() -> Self

fn is_single(&self) -> bool

fn is_list(&self) -> bool

fn single_argument(&self) -> Cow<'_, str, Lean>

fn list_argument(&self) -> &[Box<Self>]

fn must_be_evaluated(&self) -> bool

Provided Methods

fn is_empty(&self) -> bool

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors

impl MacroParamElement for LocatedMacroParam

impl MacroParamElement for MacroParam