Struct predicates::iter::HashableInPredicate
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pub struct HashableInPredicate<T> where
T: Hash + Eq + Debug, { /* fields omitted */ }
Predicate that returns true
if variable
is a member of the pre-defined
HashSet
, otherwise returns false
.
Note that this implementation requires Item
to be Hash + Eq
. The
InPredicate
uses a less efficient search algorithm but only
requires Item
implement PartialEq
. The implementation-specific
predicates will be deprecated when Rust supports trait specialization.
This is created by the predicate::in_hash
function.
Trait Implementations
impl<T: Debug> Debug for HashableInPredicate<T> where
T: Hash + Eq + Debug,
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T: Hash + Eq + Debug,
fn fmt(&self, __arg_0: &mut Formatter) -> Result
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Formats the value using the given formatter. Read more
impl<T> Predicate<T> for HashableInPredicate<T> where
T: Hash + Eq + Debug,
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T: Hash + Eq + Debug,
fn eval(&self, variable: &T) -> bool
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Execute this Predicate
against variable
, returning the resulting boolean. Read more
impl<T> Display for HashableInPredicate<T> where
T: Hash + Eq + Debug,
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T: Hash + Eq + Debug,
Auto Trait Implementations
impl<T> Send for HashableInPredicate<T> where
T: Send,
T: Send,
impl<T> Sync for HashableInPredicate<T> where
T: Sync,
T: Sync,