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use std::marker::PhantomData;
enum IDTree<C, T, Predicate>
where
Predicate: Fn(T) -> bool {
Leaf(C),
Brnch { left: Box<IDTree<C, T, Predicate>>, right: Box<IDTree<C, T, Predicate>>, predicate: Predicate },
Phantom(PhantomData<T>)
}
--> src/main.rs:2:16
|
2 | enum IDTree<C, T, Predicate>
| ^ unused parameter
|
= help: consider removing `T`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
Э
use std::marker::PhantomData;
enum IDTree<C, T, Predicate>
where
Predicate: Fn(T) -> bool {
Leaf(C),
Brnch { left: Box<IDTree<C, T, Predicate>>, right: Box<IDTree<C, T, Predicate>>, predicate: Predicate },
Phantom(PhantomData<T>)
}
--> src/main.rs:2:16
|
2 | enum IDTree<C, T, Predicate>
| ^ unused parameter
|
= help: consider removing `T`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
p
MB
use std::marker::PhantomData;
enum IDTree<C, T, Predicate>
where
Predicate: Fn(T) -> bool {
Leaf(C),
Brnch { left: Box<IDTree<C, T, Predicate>>, right: Box<IDTree<C, T, Predicate>>, predicate: Predicate },
Phantom(PhantomData<T>)
}
--> src/main.rs:2:16
|
2 | enum IDTree<C, T, Predicate>
| ^ unused parameter
|
= help: consider removing `T`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
KA
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в🧇
use std::marker::PhantomData;
enum IDTree<C, T, Predicate>
where
Predicate: Fn(T) -> bool {
Leaf(C),
Brnch { left: Box<IDTree<C, T, Predicate>>, right: Box<IDTree<C, T, Predicate>>, predicate: Predicate },
Phantom(PhantomData<T>)
}
--> src/main.rs:2:16
|
2 | enum IDTree<C, T, Predicate>
| ^ unused parameter
|
= help: consider removing `T`, referring to it in a field, or using a marker such as `std::marker::PhantomData`
Э
KA
AV
AV
Э
fn split_by_pred<T, F>(s: &mut [T], mut predicate: F) -> (&mut [T], &mut [T])
where
F: FnMut(&mut T) -> bool,
{
let mut left = 0;
let mut right = s.len();
while left < right {
if predicate(&mut s[left]) {
right -= 1;
s.swap(left, right);
} else {
left += 1;
}
}
s.split_at_mut(left);
}
в🧇
fn split_by_pred<T, F>(s: &mut [T], mut predicate: F) -> (&mut [T], &mut [T])
where
F: FnMut(&mut T) -> bool,
{
let mut left = 0;
let mut right = s.len();
while left < right {
if predicate(&mut s[left]) {
right -= 1;
s.swap(left, right);
} else {
left += 1;
}
}
s.split_at_mut(left);
}
.split_at_mut(.iter().position(pred))
жеЭ
.split_at_mut(.iter().position(pred))
же