Trait slice_group_by::GroupBy
source · pub trait GroupBy<T> {
fn linear_group_by_key<F, K>(&self, func: F) -> LinearGroupByKey<'_, T, F> ⓘ
where
F: FnMut(&T) -> K,
K: PartialEq;
fn linear_group_by<P>(&self, predicate: P) -> LinearGroupBy<'_, T, P> ⓘ
where
P: FnMut(&T, &T) -> bool;
fn linear_group(&self) -> LinearGroup<'_, T> ⓘ
where
T: PartialEq;
fn binary_group_by_key<F, K>(&self, func: F) -> BinaryGroupByKey<'_, T, F> ⓘ
where
F: FnMut(&T) -> K,
K: PartialEq;
fn binary_group_by<P>(&self, predicate: P) -> BinaryGroupBy<'_, T, P> ⓘ
where
P: FnMut(&T, &T) -> bool;
fn binary_group(&self) -> BinaryGroup<'_, T> ⓘ
where
T: PartialEq;
fn exponential_group_by_key<F, K>(
&self,
func: F
) -> ExponentialGroupByKey<'_, T, F> ⓘ
where
F: Fn(&T) -> K,
K: PartialEq;
fn exponential_group_by<P>(
&self,
predicate: P
) -> ExponentialGroupBy<'_, T, P> ⓘ
where
P: FnMut(&T, &T) -> bool;
fn exponential_group(&self) -> ExponentialGroup<'_, T> ⓘ
where
T: PartialEq;
}
Expand description
A convenient trait to construct an iterator returning non-overlapping groups defined by a predicate.
Required Methods§
sourcefn linear_group_by_key<F, K>(&self, func: F) -> LinearGroupByKey<'_, T, F> ⓘwhere
F: FnMut(&T) -> K,
K: PartialEq,
fn linear_group_by_key<F, K>(&self, func: F) -> LinearGroupByKey<'_, T, F> ⓘwhere
F: FnMut(&T) -> K,
K: PartialEq,
Returns an iterator on slice groups based that will use the given function to generate keys and determine groups based on them. It uses linear search to iterate over groups.
sourcefn linear_group_by<P>(&self, predicate: P) -> LinearGroupBy<'_, T, P> ⓘwhere
P: FnMut(&T, &T) -> bool,
fn linear_group_by<P>(&self, predicate: P) -> LinearGroupBy<'_, T, P> ⓘwhere
P: FnMut(&T, &T) -> bool,
Returns an iterator on slice groups using the linear search method.
sourcefn linear_group(&self) -> LinearGroup<'_, T> ⓘwhere
T: PartialEq,
fn linear_group(&self) -> LinearGroup<'_, T> ⓘwhere
T: PartialEq,
Returns an iterator on slice groups based on the PartialEq::eq
method of T
,
it uses linear search to iterate over groups.
sourcefn binary_group_by_key<F, K>(&self, func: F) -> BinaryGroupByKey<'_, T, F> ⓘwhere
F: FnMut(&T) -> K,
K: PartialEq,
fn binary_group_by_key<F, K>(&self, func: F) -> BinaryGroupByKey<'_, T, F> ⓘwhere
F: FnMut(&T) -> K,
K: PartialEq,
Returns an iterator on slice groups based that will use the given function to generate keys and determine groups based on them. It uses binary search to iterate over groups.
The predicate function should implement an order consistent with the sort order of the slice.
sourcefn binary_group_by<P>(&self, predicate: P) -> BinaryGroupBy<'_, T, P> ⓘwhere
P: FnMut(&T, &T) -> bool,
fn binary_group_by<P>(&self, predicate: P) -> BinaryGroupBy<'_, T, P> ⓘwhere
P: FnMut(&T, &T) -> bool,
Returns an iterator on slice groups using the binary search method.
The predicate function should implement an order consistent with the sort order of the slice.
sourcefn binary_group(&self) -> BinaryGroup<'_, T> ⓘwhere
T: PartialEq,
fn binary_group(&self) -> BinaryGroup<'_, T> ⓘwhere
T: PartialEq,
Returns an iterator on slice groups based on the PartialEq::eq
method of T
,
it uses binary search to iterate over groups.
The predicate function should implement an order consistent with the sort order of the slice.
sourcefn exponential_group_by_key<F, K>(
&self,
func: F
) -> ExponentialGroupByKey<'_, T, F> ⓘwhere
F: Fn(&T) -> K,
K: PartialEq,
fn exponential_group_by_key<F, K>(
&self,
func: F
) -> ExponentialGroupByKey<'_, T, F> ⓘwhere
F: Fn(&T) -> K,
K: PartialEq,
Returns an iterator on slice groups based that will use the given function to generate keys and determine groups based on them. It uses exponential search to iterate over groups.
The predicate function should implement an order consistent with the sort order of the slice.
sourcefn exponential_group_by<P>(&self, predicate: P) -> ExponentialGroupBy<'_, T, P> ⓘwhere
P: FnMut(&T, &T) -> bool,
fn exponential_group_by<P>(&self, predicate: P) -> ExponentialGroupBy<'_, T, P> ⓘwhere
P: FnMut(&T, &T) -> bool,
Returns an iterator on slice groups using the exponential search method.
The predicate function should implement an order consistent with the sort order of the slice.
sourcefn exponential_group(&self) -> ExponentialGroup<'_, T> ⓘwhere
T: PartialEq,
fn exponential_group(&self) -> ExponentialGroup<'_, T> ⓘwhere
T: PartialEq,
Returns an iterator on slice groups based on the PartialEq::eq
method of T
,
it uses exponential search to iterate over groups.
The predicate function should implement an order consistent with the sort order of the slice.