[−][src]Enum syntax::parse::token::Token

pub enum Token {
    Eq,
    Lt,
    Le,
    EqEq,
    Ne,
    Ge,
    Gt,
    AndAnd,
    OrOr,
    Not,
    Tilde,
    BinOp(BinOpToken),
    BinOpEq(BinOpToken),
    At,
    Dot,
    DotDot,
    DotDotDot,
    DotDotEq,
    DotEq,
    Comma,
    Semi,
    Colon,
    ModSep,
    RArrow,
    LArrow,
    FatArrow,
    Pound,
    Dollar,
    Question,
    SingleQuote,
    OpenDelim(DelimToken),
    CloseDelim(DelimToken),
    Literal(Lit, Option<Name>),
    Ident(Ident, bool),
    Lifetime(Ident),
    Interpolated(Lrc<(Nonterminal, LazyTokenStream)>),
    DocComment(Name),
    Whitespace,
    Comment,
    Shebang(Name),
    Eof,
}

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Variants

Eq

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Lt

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Le

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EqEq

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Ne

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Ge

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Gt

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AndAnd

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OrOr

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Not

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Tilde

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BinOp(BinOpToken)

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BinOpEq(BinOpToken)

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At

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Dot

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DotDot

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DotDotDot

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DotDotEq

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DotEq

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Comma

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Semi

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Colon

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ModSep

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RArrow

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

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LArrow

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

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FatArrow

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

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Pound

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Dollar

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

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Question

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SingleQuote

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Used by proc macros for representing lifetimes, not generated by lexer right now.

OpenDelim(DelimToken)

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An opening delimiter, eg. {

CloseDelim(DelimToken)

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A closing delimiter, eg. }

Literal(Lit, Option<Name>)

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Ident(Ident, bool)

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Lifetime(Ident)

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Interpolated(Lrc<(Nonterminal, LazyTokenStream)>)

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DocComment(Name)

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Doc comment

Whitespace

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Whitespace

Comment

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Comment

Shebang(Name)

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Eof

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Methods

`impl Token`
[src]

`pub fn interpolated(nt: Nonterminal) -> Token`
[src]

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`pub fn from_ast_ident(ident: Ident) -> Token`
[src]

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Recovers a Token from an ast::Ident. This creates a raw identifier if necessary.

`pub(crate) fn is_like_plus(&self) -> bool`
[src]

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`pub(crate) fn can_begin_expr(&self) -> bool`
[src]

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Returns true if the token can appear at the start of an expression.

`pub(crate) fn can_begin_type(&self) -> bool`
[src]

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Returns true if the token can appear at the start of a type.

`pub(crate) fn can_begin_bound(&self) -> bool`
[src]

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Returns true if the token can appear at the start of a generic bound.

`pub(crate) fn is_lit(&self) -> bool`
[src]

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Returns true if the token is any literal

`pub(crate) fn can_begin_literal_or_bool(&self) -> bool`
[src]

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Returns true if the token is any literal, a minus (which can follow a literal, for example a '-42', or one of the boolean idents).

`pub fn ident(&self) -> Option<(Ident, bool)>`
[src]

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Returns an identifier if this token is an identifier.

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

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Returns a lifetime identifier if this token is a lifetime.

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

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Returns true if the token is an identifier.

`pub(crate) fn is_lifetime(&self) -> bool`
[src]

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Returns true if the token is a lifetime.

`pub(crate) fn is_ident_named(&self, name: &str) -> bool`
[src]

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Returns true if the token is a identifier whose name is the given string slice.

`fn is_path(&self) -> bool`
[src]

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Returns true if the token is an interpolated path.

`pub(crate) fn is_mutability(&self) -> bool`
[src]

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Returns true if the token is either the mut or const keyword.

`pub(crate) fn is_qpath_start(&self) -> bool`
[src]

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`pub(crate) fn is_path_start(&self) -> bool`
[src]

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`pub fn is_keyword(&self, kw: Keyword) -> bool`
[src]

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Returns true if the token is a given keyword, kw.

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

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

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`pub(crate) fn is_used_keyword(&self) -> bool`
[src]

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Returns true if the token is a keyword used in the language.

`pub(crate) fn is_unused_keyword(&self) -> bool`
[src]

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Returns true if the token is a keyword reserved for possible future use.

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

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Returns true if the token is either a special identifier or a keyword.

`pub(crate) fn glue(self, joint: Token) -> Option<Token>`
[src]

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`pub(crate) fn similar_tokens(&self) -> Option<Vec<Token>>`
[src]

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Returns tokens that are likely to be typed accidentally instead of the current token. Enables better error recovery when the wrong token is found.

`pub fn interpolated_to_tokenstream( &self, sess: &ParseSess, span: Span ) -> TokenStream`
[src]

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`pub(crate) fn probably_equal_for_proc_macro(&self, other: &Token) -> bool`
[src]

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Trait Implementations

`impl Clone for Token`
[src]

`fn clone(&self) -> Token`
[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 Encodable for Token`
[src]

`fn encode<S: Encoder>(&self, s: &mut S) -> Result<(), __S::Error>`
[src]

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`impl Decodable for Token`
[src]

`fn decode<D: Decoder>(d: &mut D) -> Result<Token, __D::Error>`
[src]

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`impl PartialEq for Token`
[src]

`fn eq(&self, other: &Token) -> bool`
[src]

This method tests for self and other values to be equal, and is used by ==. Read more

`fn ne(&self, other: &Token) -> bool`
[src]

This method tests for !=.

`impl Debug for Token`
[src]

`fn fmt(&self, f: &mut Formatter) -> Result`
[src]

Formats the value using the given formatter. Read more

`impl From<Token> for TokenStream`
[src]

`fn from(token: Token) -> TokenStream`
[src]

Performs the conversion.

Auto Trait Implementations

`impl !Send for Token`

`impl !Sync for Token`

Blanket Implementations

`impl<T> ToOwned for T where T: Clone,`
[src]

`type Owned = T`

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

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

`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> From for T`
[src]

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

Performs the conversion.

`impl<T, U> Into for T where U: From<T>,`
[src]

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

Performs the conversion.

`impl<T, U> TryFrom for T where T: From,`
[src]

`type Error = !`

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

The type returned in the event of a conversion error.

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

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

Performs the conversion.

`impl<T> Borrow for T where T: ?Sized,`
[src]

ⓘImportant traits for &'a mut R
Important traits for &'a mut R
`impl<'a, R> Read for &'a mut R where R: Read + ?Sized, impl<'a, W> Write for &'a mut W where W: Write + ?Sized, impl<'a, I> Iterator for &'a mut I where I: Iterator + ?Sized, type Item = ::Item;`
`fn borrow(&self) -> &T`
[src]

Immutably borrows from an owned value. Read more

`impl<T, U> TryInto for T where U: TryFrom<T>,`
[src]

`type Error = >::Error`

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The type returned in the event of a conversion error.

`fn try_into(self) -> Result<U, >::Error>`
[src]

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

Performs the conversion.

`impl<T> BorrowMut for T where T: ?Sized,`
[src]

ⓘImportant traits for &'a mut R
Important traits for &'a mut R
`impl<'a, R> Read for &'a mut R where R: Read + ?Sized, impl<'a, W> Write for &'a mut W where W: Write + ?Sized, impl<'a, I> Iterator for &'a mut I where I: Iterator + ?Sized, type Item = ::Item;`
`fn borrow_mut(&mut self) -> &mut T`
[src]

Mutably borrows from an owned value. Read more

`impl<T> Any for T where T: 'static + ?Sized,`
[src]

`fn get_type_id(&self) -> TypeId`
[src]

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

this method will likely be replaced by an associated static

Gets the TypeId of self. Read more

`impl<T> Encodable for T where T: UseSpecializedEncodable + ?Sized,`
[src]

`fn encode<E>(&self, e: &mut E) -> Result<(), <E as Encoder>::Error> where E: Encoder,`
[src]

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`impl<T> Decodable for T where T: UseSpecializedDecodable,`
[src]

`fn decode<D>(d: &mut D) -> Result<T, <D as Decoder>::Error> where D: Decoder,`
[src]

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`impl<E> SpecializationError for E`
[src]

`fn not_found<S, T>(trait_name: &'static str, method_name: &'static str) -> E where T: ?Sized,`
[src]

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this crate is being loaded from the sysroot, an unstable location; did you mean to load this crate from crates.io via Cargo.toml instead?

Create an error for a missing method specialization. Defaults to panicking with type, trait & method names. S is the encoder/decoder state type, T is the type being encoded/decoded, and the arguments are the names of the trait and method that should've been overridden. Read more

[−][src]Enum syntax::parse::token::Token

Variants

Methods

impl Token[src]

pub fn interpolated(nt: Nonterminal) -> Token[src]

pub fn from_ast_ident(ident: Ident) -> Token[src]

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

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

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

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

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

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

pub fn ident(&self) -> Option<(Ident, bool)>[src]

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

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

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

pub(crate) fn is_ident_named(&self, name: &str) -> bool[src]

fn is_path(&self) -> bool[src]

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

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

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

pub fn is_keyword(&self, kw: Keyword) -> bool[src]

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

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

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

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

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

pub(crate) fn glue(self, joint: Token) -> Option<Token>[src]

pub(crate) fn similar_tokens(&self) -> Option<Vec<Token>>[src]

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

pub(crate) fn probably_equal_for_proc_macro(&self, other: &Token) -> bool[src]

Trait Implementations

impl Clone for Token[src]

fn clone(&self) -> Token[src]

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

impl Encodable for Token[src]

fn encode<__S: Encoder>(&self, s: &mut __S) -> Result<(), __S::Error>[src]

impl Decodable for Token[src]

fn decode<__D: Decoder>(d: &mut __D) -> Result<Token, __D::Error>[src]

impl PartialEq for Token[src]

fn eq(&self, other: &Token) -> bool[src]

fn ne(&self, other: &Token) -> bool[src]

impl Debug for Token[src]

fn fmt(&self, f: &mut Formatter) -> Result[src]

impl From<Token> for TokenStream[src]

fn from(token: Token) -> TokenStream[src]

Auto Trait Implementations

impl !Send for Token

impl !Sync for Token

Blanket Implementations

impl<T> ToOwned for T where T: Clone, [src]

type Owned = T

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

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

impl<T> From for T[src]

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

impl<T, U> Into for T where U: From<T>, [src]

fn into(self) -> U[src]

impl<T, U> TryFrom for T where T: From<U>, [src]

type Error = !

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

impl<T> Borrow for T where T: ?Sized, [src]

ⓘImportant traits for &'a mut RImportant traits for &'a mut Rimpl<'a, R> Read for &'a mut R where R: Read + ?Sized, impl<'a, W> Write for &'a mut W where W: Write + ?Sized, impl<'a, I> Iterator for &'a mut I where I: Iterator + ?Sized, type Item = <I as Iterator>::Item;fn borrow(&self) -> &T[src]

Important traits for &'a mut R

impl<T, U> TryInto for T where U: TryFrom<T>, [src]

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

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

impl<T> BorrowMut for T where T: ?Sized, [src]

Important traits for &'a mut R

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

fn get_type_id(&self) -> TypeId[src]

impl<T> Encodable for T where T: UseSpecializedEncodable + ?Sized, [src]

fn encode<E>(&self, e: &mut E) -> Result<(), <E as Encoder>::Error> where E: Encoder, [src]

impl<T> Decodable for T where T: UseSpecializedDecodable, [src]

fn decode<D>(d: &mut D) -> Result<T, <D as Decoder>::Error> where D: Decoder, [src]

impl<E> SpecializationError for E[src]

fn not_found<S, T>(trait_name: &'static str, method_name: &'static str) -> E where T: ?Sized, [src]

impl<T> Erased for T[src]

impl<T> Send for T where T: ?Sized, [src]

impl<T> Sync for T where T: ?Sized, [src]

`impl Token`
[src]

`pub fn interpolated(nt: Nonterminal) -> Token`
[src]

`pub fn from_ast_ident(ident: Ident) -> Token`
[src]

`pub(crate) fn is_like_plus(&self) -> bool`
[src]

`pub(crate) fn can_begin_expr(&self) -> bool`
[src]

`pub(crate) fn can_begin_type(&self) -> bool`
[src]

`pub(crate) fn can_begin_bound(&self) -> bool`
[src]

`pub(crate) fn is_lit(&self) -> bool`
[src]

`pub(crate) fn can_begin_literal_or_bool(&self) -> bool`
[src]

`pub fn ident(&self) -> Option<(Ident, bool)>`
[src]

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

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

`pub(crate) fn is_lifetime(&self) -> bool`
[src]

`pub(crate) fn is_ident_named(&self, name: &str) -> bool`
[src]

`fn is_path(&self) -> bool`
[src]

`pub(crate) fn is_mutability(&self) -> bool`
[src]

`pub(crate) fn is_qpath_start(&self) -> bool`
[src]

`pub(crate) fn is_path_start(&self) -> bool`
[src]

`pub fn is_keyword(&self, kw: Keyword) -> bool`
[src]

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

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

`pub(crate) fn is_used_keyword(&self) -> bool`
[src]

`pub(crate) fn is_unused_keyword(&self) -> bool`
[src]

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

`pub(crate) fn glue(self, joint: Token) -> Option<Token>`
[src]

`pub(crate) fn similar_tokens(&self) -> Option<Vec<Token>>`
[src]

`pub fn interpolated_to_tokenstream( &self, sess: &ParseSess, span: Span ) -> TokenStream`
[src]

`pub(crate) fn probably_equal_for_proc_macro(&self, other: &Token) -> bool`
[src]

`impl Clone for Token`
[src]

`fn clone(&self) -> Token`
[src]

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

`impl Encodable for Token`
[src]

`fn encode<S: Encoder>(&self, s: &mut S) -> Result<(), __S::Error>`
[src]

`impl Decodable for Token`
[src]

`fn decode<D: Decoder>(d: &mut D) -> Result<Token, __D::Error>`
[src]

`impl PartialEq for Token`
[src]

`fn eq(&self, other: &Token) -> bool`
[src]

`fn ne(&self, other: &Token) -> bool`
[src]

`impl Debug for Token`
[src]

`fn fmt(&self, f: &mut Formatter) -> Result`
[src]

`impl From<Token> for TokenStream`
[src]

`fn from(token: Token) -> TokenStream`
[src]

`impl !Send for Token`

`impl !Sync for Token`

`impl<T> ToOwned for T where T: Clone,`
[src]

`type Owned = T`

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

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

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

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

`impl<T, U> Into for T where U: From<T>,`
[src]

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

`impl<T, U> TryFrom for T where T: From<U>,`
[src]

`type Error = !`

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

`impl<T> Borrow for T where T: ?Sized,`
[src]

`impl<T, U> TryInto for T where U: TryFrom<T>,`
[src]

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

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

`impl<T> BorrowMut for T where T: ?Sized,`
[src]

`impl<T> Any for T where T: 'static + ?Sized,`
[src]

`fn get_type_id(&self) -> TypeId`
[src]

`impl<T> Encodable for T where T: UseSpecializedEncodable + ?Sized,`
[src]

`fn encode<E>(&self, e: &mut E) -> Result<(), <E as Encoder>::Error> where E: Encoder,`
[src]

`impl<T> Decodable for T where T: UseSpecializedDecodable,`
[src]

`fn decode<D>(d: &mut D) -> Result<T, <D as Decoder>::Error> where D: Decoder,`
[src]

`impl<E> SpecializationError for E`
[src]

`fn not_found<S, T>(trait_name: &'static str, method_name: &'static str) -> E where T: ?Sized,`
[src]

`impl<T> Erased for T`
[src]

`impl<T> Send for T where T: ?Sized,`
[src]

`impl<T> Sync for T where T: ?Sized,`
[src]

`impl<T> Erased for T`