pub enum ClosureKind {
Fn,
FnMut,
FnOnce,
}
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Represents the various closure traits in the Rust language. This
will determine the type of the environment (self
, in the
desuaring) argument that the closure expects.
You can get the environment type of a closure using
tcx.closure_env_ty()
.
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LATTICE_BOTTOM: ClosureKind = ClosureKind::Fn
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True if this a type that impls this closure kind
must also implement other
.
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Returns the representative scalar type for this closure kind.
See TyS::to_opt_closure_kind
for more details.
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🔬 This is a nightly-only experimental API. (rustc_private
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🔬 This is a nightly-only experimental API. (rustc_private
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🔬 This is a nightly-only experimental API. (rustc_private
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🔬 This is a nightly-only experimental API. (rustc_private
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🔬 This is a nightly-only experimental API. (rustc_private
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"Free" regions in this context means that it has any region that is not (a) erased or (b) late-bound. Read more
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True if there any any un-erased free regions.
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Indicates whether this value references only 'global' types/lifetimes that are the same regardless of what fn we are in. This is used for caching. Errs on the side of returning false. Read more
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Performs copy-assignment from source
. Read more
This method returns an ordering between self
and other
values if one exists. Read more
This method tests less than (for self
and other
) and is used by the <
operator. Read more
This method tests less than or equal to (for self
and other
) and is used by the <=
operator. Read more
This method tests greater than (for self
and other
) and is used by the >
operator. Read more
This method tests greater than or equal to (for self
and other
) and is used by the >=
operator. Read more
This method returns an Ordering
between self
and other
. Read more
fn max(self, other: Self) -> Self | 1.21.0 [src] |
Compares and returns the maximum of two values. Read more
fn min(self, other: Self) -> Self | 1.21.0 [src] |
Compares and returns the minimum of two values. Read more
This method tests for self
and other
values to be equal, and is used by ==
. Read more
This method tests for !=
.
Feeds this value into the given [Hasher
]. Read more
Feeds a slice of this type into the given [Hasher
]. Read more
Formats the value using the given formatter. Read more
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🔬 This is a nightly-only experimental API. (rustc_private
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🔬 This is a nightly-only experimental API. (rustc_private
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🔬 This is a nightly-only experimental API. (rustc_private
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🔬 This is a nightly-only experimental API. (rustc_private
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🔬 This is a nightly-only experimental API. (rustc_private
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🔬 This is a nightly-only experimental API. (rustc_private
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Formats the value using the given formatter. Read more