Enum Either 

pub enum Either<A, B> {
    A(A),
    B(B),
}

Variants

A(A)

B(B)

Trait Implementations

impl<A: Clone, B: Clone> Clone for Either<A, B>

fn clone(&self) -> Either<A, B>

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<A: Debug, B: Debug> Debug for Either<A, B>

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

Formats the value using the given formatter.

impl<A: IntoTokenTree, B: IntoTokenTree> IntoTokenTree for Either<A, B>

fn into_token_tree(self) -> TokenTree

Available on crate feature proc-macro only.

fn into_token_tree2(self) -> TokenTree

Available on crate feature proc-macro2 only.

impl<A: IntoTokens, B: IntoTokens> IntoTokens for Either<A, B>

fn into_tokens(self, ts: &mut TokenStream)

Available on crate feature proc-macro only.

fn into_token_stream(self) -> TokenStream

Available on crate feature proc-macro only.

fn into_tokens2(self, ts: &mut TokenStream)

Available on crate feature proc-macro2 only.

fn into_token_stream2(self) -> TokenStream

Available on crate feature proc-macro2 only.

impl<A: RefWithSpan, B: RefWithSpan> RefWithSpan for Either<A, B>

type RefWithDefaultSpan<'a, S: Span> = Either<<A as RefWithSpan>::RefWithDefaultSpan<'a, S>, <B as RefWithSpan>::RefWithDefaultSpan<'a, S>> where Self: 'a

type RefWithReplacedSpan<'a, S: Span> = Either<<A as RefWithSpan>::RefWithReplacedSpan<'a, S>, <B as RefWithSpan>::RefWithReplacedSpan<'a, S>> where Self: 'a

fn ref_with_default_span<S: Span>( &self, span: S, ) -> Self::RefWithDefaultSpan<'_, S>

fn ref_with_replaced_span<S: Span>( &self, span: S, ) -> Self::RefWithReplacedSpan<'_, S>

impl<A: ToTokenTree, B: ToTokenTree> ToTokenTree for Either<A, B>

fn to_token_tree(&self) -> TokenTree

Available on crate feature proc-macro only.

fn to_token_tree2(&self) -> TokenTree

Available on crate feature proc-macro2 only.

impl<A: ToTokens, B: ToTokens> ToTokens for Either<A, B>

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

Available on crate feature proc-macro only.

fn to_token_stream(&self) -> TokenStream

Available on crate feature proc-macro only.

fn to_tokens2(&self, ts: &mut TokenStream)

Available on crate feature proc-macro2 only.

fn to_token_stream2(&self) -> TokenStream

Available on crate feature proc-macro2 only.

impl<A: WithSpan, B: WithSpan> WithSpan for Either<A, B>

type WithDefaultSpan<S: Span> = Either<<A as WithSpan>::WithDefaultSpan<S>, <B as WithSpan>::WithDefaultSpan<S>>

type WithReplacedSpan<S: Span> = Either<<A as WithSpan>::WithReplacedSpan<S>, <B as WithSpan>::WithReplacedSpan<S>>

fn with_default_span<S: Span>(self, span: S) -> Self::WithDefaultSpan<S>

fn with_replaced_span<S: Span>(self, span: S) -> Self::WithReplacedSpan<S>

impl<A: Copy, B: Copy> Copy for Either<A, B>

impl<A: MaybeSpan, B: MaybeSpan> MaybeSpan for Either<A, B>

impl<A: Span, B: Span> Span for Either<A, B>