Enum syn::GenericArgument

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pub enum GenericArgument {
    Lifetime(Lifetime),
    Type(Type),
    Binding(Binding),
    Constraint(Constraint),
    Const(Expr),
}

[−] Expand description

An individual generic argument, like 'a, T, or Item = T.

This type is available if Syn is built with the "derive" or "full" feature.

Variants

Lifetime(Lifetime)

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A lifetime argument.

Type(Type)

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A type argument.

Binding(Binding)

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A binding (equality constraint) on an associated type: the Item = u8 in Iterator<Item = u8>.

Constraint(Constraint)

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An associated type bound: Iterator<Item: Display>.

Const(Expr)

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A const expression. Must be inside of a block.

NOTE: Identity expressions are represented as Type arguments, as they are indistinguishable syntactically.

Trait Implementations

impl Clone for GenericArgument[+]

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fn clone(&self) -> GenericArgument[−]

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for GenericArgument[+]

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

Formats the value using the given formatter.

impl Eq for GenericArgument

impl Hash for GenericArgument[+]

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fn hash<__H: Hasher>(&self, state: &mut __H)[−]

Feeds this value into the given [Hasher].

fn hash_slice<H>(data: &[Self], state: &mut H) where
    H: Hasher, [−]

Feeds a slice of this type into the given [Hasher].

impl Parse for GenericArgument[+]

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fn parse(input: ParseStream) -> Result<Self>

impl PartialEq<GenericArgument> for GenericArgument[+]

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fn eq(&self, other: &GenericArgument) -> bool[−]

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

fn ne(&self, other: &GenericArgument) -> bool[−]

This method tests for !=.

impl StructuralEq for GenericArgument

impl StructuralPartialEq for GenericArgument

impl ToTokens for GenericArgument[+]

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fn to_tokens(&self, tokens: &mut TokenStream)[−]

Write self to the given TokenStream.

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

Convert self directly into a TokenStream object.

fn into_token_stream(self) -> TokenStream[−]

Convert self directly into a TokenStream object.