Enum devise::MetaItem[−][src]

pub enum MetaItem {
    Path(Path),
    Tokens(TokenStream),
    KeyValue {
        path: Path,
        eq: Eq,
        tokens: TokenStream,
    },
    List {
        path: Path,
        paren: Paren,
        items: Punctuated<MetaItem, Comma>,
    },
}

Variants

Path(Path)

Tokens(TokenStream)

KeyValue

Show fields

Fields of KeyValue

path: Patheq: Eqtokens: TokenStream

List

Show fields

Fields of List

path: Pathparen: Parenitems: Punctuated<MetaItem, Comma>

Implementations

impl MetaItem[src]

pub fn attr_path(&self) -> Option<&Path>[src]

pub fn name(&self) -> Option<&Ident>[src]

pub fn tokens(&self) -> Option<&TokenStream>[src]

pub fn parse_value<T>(&self, expected: &str) -> Result<T, Diagnostic> where
    T: Parse,

[src]

pub fn parse_value_with<P>(
    &self, 
    parser: P, 
    expected: &str
) -> Result<<P as Parser>::Output, Diagnostic> where
    P: Parser,

[src]

pub fn expected(&self, k: &str) -> Diagnostic[src]

pub fn description(&self) -> &'static str[src]

pub fn is_bare(&self) -> bool[src]

pub fn expr(&self) -> Result<Expr, Diagnostic>[src]

pub fn path(&self) -> Result<Path, Diagnostic>[src]

pub fn lit(&self) -> Result<Lit, Diagnostic>[src]

pub fn list(
    &self
) -> Result<impl Iterator<Item = &MetaItem> + Clone, Diagnostic>

[src]

pub fn value_span(&self) -> Span[src]

Trait Implementations

impl Clone for MetaItem[src]

pub fn clone(&self) -> MetaItem[src]

Returns a copy of the value. Read more

fn clone_from(&mut self, source: &Self)1.0.0 [src]

Performs copy-assignment from source. Read more

impl Debug for MetaItem[src]

pub fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>[src]

Formats the value using the given formatter. Read more

impl Parse for MetaItem[src]

pub fn parse(input: &ParseBuffer<'_>) -> Result<MetaItem, Error>[src]

impl ToTokens for MetaItem[src]

pub fn to_tokens(&self, stream: &mut TokenStream)[src]

Write self to the given TokenStream. Read more

fn to_token_stream(&self) -> TokenStream[src]

Convert self directly into a TokenStream object. Read more

fn into_token_stream(self) -> TokenStream[src]

Convert self directly into a TokenStream object. Read more

Auto Trait Implementations

impl RefUnwindSafe for MetaItem

impl !Send for MetaItem

impl !Sync for MetaItem

impl Unpin for MetaItem

impl UnwindSafe for MetaItem

Blanket Implementations

impl<T> Any for T where
    T: 'static + ?Sized,

[src]

pub fn type_id(&self) -> TypeId[src]

Gets the TypeId of self. Read more

impl<T> AstItemExt for T where
    T: ToTokens,

[src]

pub fn respanned(&self, span: Span) -> T where
    T: Parse,

[src]

pub fn respanned_tokens(&self, span: Span) -> TokenStream[src]

impl<T> Borrow<T> for T where
    T: ?Sized,

[src]

pub fn borrow(&self) -> &T[src]

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
    T: ?Sized,

[src]

pub fn borrow_mut(&mut self) -> &mut T[src]

Mutably borrows from an owned value. Read more

impl<T> From<T> for T[src]

pub fn from(t: T) -> T[src]

Performs the conversion.

impl<T, U> Into<U> for T where
    U: From<T>,

[src]

pub fn into(self) -> U[src]

Performs the conversion.

impl<T> Spanned for T where
    T: Spanned + ?Sized,

[src]

pub fn span(&self) -> Span[src]

Returns a Span covering the complete contents of this syntax tree node, or Span::call_site() if this node is empty. Read more

impl<T> ToOwned for T where
    T: Clone,

[src]

type Owned = T

The resulting type after obtaining ownership.

pub fn to_owned(&self) -> T[src]

Creates owned data from borrowed data, usually by cloning. Read more

pub fn clone_into(&self, target: &mut T)[src]

🔬 This is a nightly-only experimental API. (toowned_clone_into)

recently added

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T where
    U: Into<T>,

[src]

type Error = Infallible

The type returned in the event of a conversion error.

pub fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>[src]

Performs the conversion.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>,

[src]

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

pub fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>[src]

Performs the conversion.