Enum FieldConversion 

pub(crate) enum FieldConversion {
    Empty(Empty),
    Skip(Skip),
    Forward(Forward),
    Types(Types),
}

Representation of an attribute, specifying which conversions should be generated: either forwarded via a blanket impl, or direct for concrete specified types.

#[<attribute>]
#[<attribute>(skip)] #[<attribute>(ignore)]
#[<attribute>(forward)]
#[<attribute>(<types>)]

Variants

Empty(Empty)

Skip(Skip)

Forward(Forward)

Types(Types)

Trait Implementations

impl From<Conversion> for FieldConversion

fn from(v: Conversion) -> Self

Converts to this type from the input type.

impl From<Either<Empty, Either<Skip, Either<Forward, Types>>>> for FieldConversion

fn from(v: Either<Empty, Either<Skip, Either<Forward, Types>>>) -> Self

Converts to this type from the input type.

impl From<FieldConversion> for Either<Empty, Either<Skip, Either<Forward, Types>>>

fn from(v: FieldConversion) -> Self

Converts to this type from the input type.

impl From<FieldConversion> for Option<Conversion>

fn from(v: FieldConversion) -> Self

Converts to this type from the input type.

impl Parse for FieldConversion

fn parse(input: ParseStream<'_>) -> Result<Self>

impl ParseMultiple for FieldConversion

fn parse_attr_with<P: Parser>(attr: &Attribute, parser: &P) -> Result<Self>

Parses this attribute from the provided single syn::Attribute with the provided Parser.

fn merge_attrs( prev: Spanning<Self>, new: Spanning<Self>, name: &Ident, ) -> Result<Spanning<Self>>

Merges multiple values of this attribute into a single one.

fn merge_opt_attrs( prev: Option<Spanning<Self>>, new: Option<Spanning<Self>>, name: &Ident, ) -> Result<Option<Spanning<Self>>>

Merges multiple Optional values of this attribute into a single one.

fn parse_attrs_with<P: Parser>( attrs: impl AsRef<[Attribute]>, name: &Ident, parser: &P, ) -> Result<Option<Spanning<Self>>>

Parses this attribute from the provided multiple syn::Attributes with the provided Parser, merging them, and preserving their Span.

fn parse_attrs( attrs: impl AsRef<[Attribute]>, name: &Ident, ) -> Result<Option<Spanning<Self>>>

Parses this attribute from the provided multiple syn::Attributes with the default Parse, merging them, and preserving their Span.