Enum rustc::ty::Variance
[−]
[src]
pub enum Variance { Covariant, Invariant, Contravariant, Bivariant, }
🔬 This is a nightly-only experimental API. (
rustc_private
)Variants
Covariant
🔬 This is a nightly-only experimental API. (
rustc_private
)Invariant
🔬 This is a nightly-only experimental API. (
rustc_private
)Contravariant
🔬 This is a nightly-only experimental API. (
rustc_private
)Bivariant
🔬 This is a nightly-only experimental API. (
rustc_private
)Trait Implementations
impl Clone for Variance
[src]
fn clone(&self) -> Variance
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0
Performs copy-assignment from source
. Read more
impl PartialEq for Variance
[src]
fn eq(&self, __arg_0: &Variance) -> bool
This method tests for self
and other
values to be equal, and is used by ==
. Read more
fn ne(&self, other: &Rhs) -> bool
1.0.0
This method tests for !=
.
impl Decodable for Variance
[src]
fn decode<__D: Decoder>(__arg_0: &mut __D) -> Result<Variance, __D::Error>
🔬 This is a nightly-only experimental API. (rustc_private
)
deprecated in favor of rustc-serialize on crates.io
impl Encodable for Variance
[src]
fn encode<__S: Encoder>(&self, __arg_0: &mut __S) -> Result<(), __S::Error>
🔬 This is a nightly-only experimental API. (rustc_private
)
deprecated in favor of rustc-serialize on crates.io