Trait FromVariant

pub trait FromVariant: Sized {
    // Required method
    fn from_variant(variant: &Variant) -> Result<Self, Error>;
}

Creates an instance from a specified syn::Variant.

Required Methods

fn from_variant(variant: &Variant) -> Result<Self, Error>

Create an instance from syn::Variant, or return an error.

Object Safety

This trait is not object safe.

Implementations on Foreign Types

impl FromVariant for ()

fn from_variant(_: &Variant) -> Result<(), Error>

impl FromVariant for Ident

fn from_variant(variant: &Variant) -> Result<Ident, Error>

impl FromVariant for Variant

fn from_variant(variant: &Variant) -> Result<Variant, Error>

impl FromVariant for Vec<Attribute>

fn from_variant(variant: &Variant) -> Result<Vec<Attribute>, Error>

Implementors

impl FromVariant for Ignored

impl<T> FromVariant for SpannedValue<T>

where T: FromVariant,

impl<T> FromVariant for WithOriginal<T, Variant>

where T: FromVariant,