Enum DefaultExpression

pub enum DefaultExpression {
    Inherit,
    Explicit(Path),
    Trait {
        span: Span,
    },
}

A default/fallback expression encountered in attributes during parsing.

Variants

Inherit

The value should be taken from the default instance of the containing struct. This is not valid in container options.

Explicit(Path)

Trait

Fields

span: Span

The input span that is responsible for the use of Default::default.

Trait Implementations

impl Clone for DefaultExpression

fn clone(&self) -> DefaultExpression

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for DefaultExpression

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.