Trait darling::FromVariant

pub trait FromVariant {
    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.

Implementations on Foreign Types

impl FromVariant for Variant

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

impl FromVariant for ()

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

impl FromVariant for Vec<Attribute, Global>

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

impl FromVariant for Ident

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

Implementors

impl FromVariant for Ignored

pub fn from_variant(&Variant) -> Result<Ignored, Error>

impl<T> FromVariant for SpannedValue<T> where
    T: FromVariant, 

pub fn from_variant(value: &Variant) -> Result<SpannedValue<T>, Error>

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

pub fn from_variant(value: &Variant) -> Result<WithOriginal<T, Variant>, Error>