Enum DefaultExpression

pub enum DefaultExpression<'a> {
    Inherit(&'a Ident),
    Explicit(&'a Path),
    Trait {
        span: Span,
    },
}

The fallback value for a field or container.

Variants

Inherit(&'a Ident)

Only valid on fields, Inherit indicates that the value should be taken from a pre-constructed fallback object. The value in the variant is the ident of the field.

Explicit(&'a Path)

Trait

Fields

span: Span

Implementations

impl<'a> DefaultExpression<'a>

pub fn as_declaration(&'a self) -> DefaultDeclaration<'a>

Trait Implementations

impl<'a> Clone for DefaultExpression<'a>

fn clone(&self) -> DefaultExpression<'a>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<'a> Debug for DefaultExpression<'a>

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

Formats the value using the given formatter.

impl<'a> ToTokens for DefaultExpression<'a>

fn to_tokens(&self, tokens: &mut TokenStream)

Write self to the given TokenStream.

fn to_token_stream(&self) -> TokenStream

Convert self directly into a TokenStream object.

fn into_token_stream(self) -> TokenStream

where Self: Sized,

Convert self directly into a TokenStream object.