[−][src]Trait devise::FromMeta

pub trait FromMeta {
    fn from_meta(meta: MetaItem) -> Result<Self, Diagnostic>;

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

Required methods

`fn from_meta(meta: MetaItem) -> Result<Self, Diagnostic>`

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Provided methods

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

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

`fn default() -> Option<Self>`

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Implementations on Foreign Types

`impl<T> FromMeta for Option<T> where T: FromMeta,` [src]

`fn from_meta(meta: MetaItem) -> Result<Option<T>, Diagnostic>`[src]

`fn default() -> Option<Option<T>>`[src]

`impl FromMeta for String`[src]

`fn from_meta(meta: MetaItem) -> Result<String, Diagnostic>`[src]

`impl FromMeta for usize`[src]

`fn from_meta(meta: MetaItem) -> Result<usize, Diagnostic>`[src]

`impl FromMeta for isize`[src]

`fn from_meta(meta: MetaItem) -> Result<isize, Diagnostic>`[src]

`impl FromMeta for bool`[src]

`fn from_meta(meta: MetaItem) -> Result<bool, Diagnostic>`[src]

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Implementors

`impl<T> FromMeta for SpanWrapped<T> where T: FromMeta,` [src]

`fn from_meta(meta: MetaItem) -> Result<SpanWrapped<T>, Diagnostic>`[src]

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