39 lines
858 B
Rust
39 lines
858 B
Rust
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#[derive(Clone, Debug, serde::Deserialize, serde::Serialize)]
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#[serde(untagged)]
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pub enum Either<L, R> {
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Left(L),
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Right(R),
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}
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impl<L, R> Either<L, R> {
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pub fn left(self) -> Option<L> {
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if let Either::Left(l) = self {
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Some(l)
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} else {
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None
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}
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}
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pub fn right(self) -> Option<R> {
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if let Either::Right(r) = self {
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Some(r)
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} else {
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None
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}
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}
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pub fn as_ref(&self) -> Either<&L, &R> {
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match self {
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Either::Left(ref l) => Either::Left(l),
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Either::Right(ref r) => Either::Right(r),
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}
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}
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pub fn as_mut(&mut self) -> Either<&mut L, &mut R> {
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match self {
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Either::Left(ref mut l) => Either::Left(l),
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Either::Right(ref mut r) => Either::Right(r),
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}
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}
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}
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