ToTokens

Trait ToTokens 

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pub trait ToTokens {
    // Required method
    fn to_tokens(&self, tokens: &mut TokenStream);

    // Provided methods
    fn to_token_iter(
        &self,
    ) -> ShadowCountedIter<'_, <TokenStream as IntoIterator>::IntoIter>  { ... }
    fn into_token_iter<'a>(
        self,
    ) -> ShadowCountedIter<'a, <TokenStream as IntoIterator>::IntoIter> 
       where Self: Sized { ... }
    fn to_token_stream(&self) -> TokenStream { ... }
    fn into_token_stream(self) -> TokenStream
       where Self: Sized { ... }
    fn tokens_to_string(&self) -> String { ... }
}
Expand description

unsynn defines its own ToTokens trait to be able to implement it for std container types. This is similar to the ToTokens from the quote crate but adds some extra methods and is implemented for more types. Moreover the to_token_iter() method is the main entry point for crating an iterator that can be used for parsing.

Required Methods§

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fn to_tokens(&self, tokens: &mut TokenStream)

Write &self to the given TokenStream.

Provided Methods§

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fn to_token_iter( &self, ) -> ShadowCountedIter<'_, <TokenStream as IntoIterator>::IntoIter>

Convert &self into a TokenIter object.

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fn into_token_iter<'a>( self, ) -> ShadowCountedIter<'a, <TokenStream as IntoIterator>::IntoIter>
where Self: Sized,

Convert self into a TokenIter object.

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fn to_token_stream(&self) -> TokenStream

Convert &self into a TokenStream object.

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fn into_token_stream(self) -> TokenStream
where Self: Sized,

Convert self into a TokenStream object.

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fn tokens_to_string(&self) -> String

Convert &self into a String object. This is mostly used in the test suite to compare the outputs. When the input is a &str then this parses it and returns a normalized String.

Trait Implementations§

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impl Display for dyn ToTokens

implement Display using ToTokens::tokens_to_string() for all types that implement ToTokens

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

Formats the value using the given formatter. Read more

Implementations on Foreign Types§

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impl ToTokens for &str

Tokenizes a &str. Panics if the input string does not tokenize.

§Example

let mut tokens = "foo -> {1,2,3}".to_token_stream();

assert_eq!(
    tokens.to_string(),
    "foo -> { 1 , 2 , 3 }"
);
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fn to_tokens(&self, tokens: &mut TokenStream)

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impl ToTokens for bool

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fn to_tokens(&self, tokens: &mut TokenStream)

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impl ToTokens for char

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fn to_tokens(&self, tokens: &mut TokenStream)

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impl ToTokens for i8

Emit a literal i8 with negative sign and without suffix

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fn to_tokens(&self, tokens: &mut TokenStream)

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impl ToTokens for i16

Emit a literal i16 with negative sign and without suffix

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fn to_tokens(&self, tokens: &mut TokenStream)

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impl ToTokens for i32

Emit a literal i32 with negative sign and without suffix

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fn to_tokens(&self, tokens: &mut TokenStream)

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impl ToTokens for i64

Emit a literal i64 with negative sign and without suffix

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fn to_tokens(&self, tokens: &mut TokenStream)

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impl ToTokens for i128

Emit a literal i128 with negative sign and without suffix

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fn to_tokens(&self, tokens: &mut TokenStream)

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impl ToTokens for isize

Emit a literal isize with negative sign and without suffix

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fn to_tokens(&self, tokens: &mut TokenStream)

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impl ToTokens for u8

Emit a literal u8 without sign and suffix

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fn to_tokens(&self, tokens: &mut TokenStream)

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impl ToTokens for u16

Emit a literal u16 without sign and suffix

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fn to_tokens(&self, tokens: &mut TokenStream)

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impl ToTokens for u32

Emit a literal u32 without sign and suffix

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fn to_tokens(&self, tokens: &mut TokenStream)

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impl ToTokens for u64

Emit a literal u64 without sign and suffix

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fn to_tokens(&self, tokens: &mut TokenStream)

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impl ToTokens for u128

Emit a literal u128 without sign and suffix

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fn to_tokens(&self, tokens: &mut TokenStream)

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impl ToTokens for usize

Emit a literal usize without sign and suffix

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fn to_tokens(&self, tokens: &mut TokenStream)

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impl ToTokens for ShadowCountedIter<'_, <TokenStream as IntoIterator>::IntoIter>

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fn to_tokens(&self, tokens: &mut TokenStream)

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

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fn to_tokens(&self, tokens: &mut TokenStream)

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

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fn to_tokens(&self, tokens: &mut TokenStream)

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

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fn to_tokens(&self, tokens: &mut TokenStream)

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

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fn to_tokens(&self, tokens: &mut TokenStream)

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

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fn to_tokens(&self, tokens: &mut TokenStream)

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impl ToTokens for AdtDecl

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impl ToTokens for AttributeInner

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impl ToTokens for ConstOrMut

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impl ToTokens for EnumVariantData

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impl ToTokens for Expr

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impl ToTokens for FacetInner

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impl ToTokens for GenericParam

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impl ToTokens for LifetimeOrTt

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impl ToTokens for StructKind

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impl ToTokens for TokenTree

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impl ToTokens for Vis

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impl ToTokens for AngleTokenTree

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impl ToTokens for Attribute

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impl ToTokens for BraceGroup

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impl ToTokens for BracketGroup

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impl ToTokens for ChildInner

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impl ToTokens for DefaultEqualsInner

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impl ToTokens for DocInner

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impl ToTokens for EndOfStream

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impl ToTokens for Enum

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impl ToTokens for EnumVariantLike

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impl ToTokens for FacetAttr

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impl ToTokens for FlattenInner

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impl ToTokens for GenericParams

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impl ToTokens for Group

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impl ToTokens for Ident

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impl ToTokens for Invalid

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impl ToTokens for InvariantInner

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impl ToTokens for KChild

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impl ToTokens for KConst

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impl ToTokens for KCrate

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impl ToTokens for KDefault

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impl ToTokens for KDenyUnknownFields

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impl ToTokens for KDoc

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impl ToTokens for KEnum

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impl ToTokens for KFacet

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impl ToTokens for KFlatten

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impl ToTokens for KIn

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impl ToTokens for KInvariants

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impl ToTokens for KMut

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impl ToTokens for KOpaque

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impl ToTokens for KPub

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impl ToTokens for KRename

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impl ToTokens for KRenameAll

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impl ToTokens for KRepr

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impl ToTokens for KSensitive

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impl ToTokens for KSkipSerializing

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impl ToTokens for KSkipSerializingIf

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impl ToTokens for KStruct

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impl ToTokens for KTransparent

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impl ToTokens for KTypeTag

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impl ToTokens for KWhere

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impl ToTokens for Lifetime

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impl ToTokens for Literal

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impl ToTokens for LiteralCharacter

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impl ToTokens for LiteralInteger

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impl ToTokens for LiteralString

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impl ToTokens for NonEmptyTokenStream

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impl ToTokens for NoneGroup

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impl ToTokens for Nothing

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impl ToTokens for ParenthesisGroup

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impl ToTokens for Punct

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impl ToTokens for RenameAllInner

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impl ToTokens for RenameInner

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impl ToTokens for ReprInner

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impl ToTokens for SkipSerializingIfInner

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impl ToTokens for SkipSerializingInner

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impl ToTokens for Struct

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impl ToTokens for StructEnumVariant

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impl ToTokens for StructField

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impl ToTokens for TokenStream

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impl ToTokens for TupleField

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impl ToTokens for TupleVariant

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impl ToTokens for TypeTagInner

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impl ToTokens for UnitVariant

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impl ToTokens for WhereClause

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impl ToTokens for WhereClauses

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impl<A, B, C, D> ToTokens for Either<A, B, C, D>
where A: ToTokens, B: ToTokens, C: ToTokens, D: ToTokens,

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impl<A, B, C, D> ToTokens for Cons<A, B, C, D>
where A: ToTokens, B: ToTokens, C: ToTokens, D: ToTokens,

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impl<C> ToTokens for BraceGroupContaining<C>
where C: ToTokens,

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impl<C> ToTokens for BracketGroupContaining<C>
where C: ToTokens,

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impl<C> ToTokens for GroupContaining<C>
where C: ToTokens,

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impl<C> ToTokens for NoneGroupContaining<C>
where C: ToTokens,

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impl<C> ToTokens for ParenthesisGroupContaining<C>
where C: ToTokens,

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impl<T> ToTokens for Cached<T>
where T: Parse + ToTokens,

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impl<T> ToTokens for Discard<T>

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impl<T> ToTokens for Except<T>

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impl<T> ToTokens for Expect<T>

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impl<T> ToTokens for HiddenState<T>
where T: Default,

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impl<T> ToTokens for Skip<T>

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impl<T, D> ToTokens for Delimited<T, D>
where T: ToTokens, D: ToTokens,

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impl<T, D> ToTokens for DelimitedVec<T, D>
where T: ToTokens, D: ToTokens,

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impl<T, S> ToTokens for LazyVec<T, S>
where T: ToTokens, S: ToTokens,

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impl<const C1: char, const C2: char, const C3: char, const C4: char> ToTokens for Operator<C1, C2, C3, C4>

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impl<const C: char> ToTokens for PunctAlone<C>

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impl<const C: char> ToTokens for PunctAny<C>

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impl<const C: char> ToTokens for PunctJoint<C>

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impl<const MIN: usize, const MAX: usize, T, D> ToTokens for Repeats<MIN, MAX, T, D>
where T: ToTokens, D: ToTokens,