Trait devise_core::FromMeta

pub trait FromMeta: Sized {
    fn from_meta(meta: MetaItem<'_>) -> Result<Self>;

    fn from_attr(name: &str, attr: &Attribute) -> Result<Self> { ... }
    fn from_attrs(name: &str, attrs: &[Attribute]) -> Option<Result<Self>> { ... }
    fn default() -> Option<Self> { ... }
}

Required Methods

fn from_meta(meta: MetaItem<'_>) -> Result<Self>

Provided Methods

fn from_attr(name: &str, attr: &Attribute) -> Result<Self>

fn from_attrs(name: &str, attrs: &[Attribute]) -> Option<Result<Self>>

fn default() -> Option<Self>

Implementations on Foreign Types

impl FromMeta for isize

fn from_meta(meta: MetaItem<'_>) -> Result<Self>

impl FromMeta for usize

fn from_meta(meta: MetaItem<'_>) -> Result<Self>

impl FromMeta for String

fn from_meta(meta: MetaItem<'_>) -> Result<Self>

impl FromMeta for bool

fn from_meta(meta: MetaItem<'_>) -> Result<Self>

impl<T: FromMeta> FromMeta for Option<T>

fn from_meta(meta: MetaItem<'_>) -> Result<Self>

fn default() -> Option<Self>

Implementors

impl<T: FromMeta> FromMeta for SpanWrapped<T>