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.

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.

Implementations on Foreign Types

impl FromVariant for ()

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

impl FromVariant for Vec<Attribute>

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

Implementors

impl FromVariant for Ignored

impl<T> FromVariant for SpannedValue<T>

where T: FromVariant,

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

where T: FromVariant,