/// An iterator adaptor to insert a particular value /// between each element of the adapted iterator. /// /// Iterator element type is `I::Item` /// /// This iterator is *fused*. /// /// See [`.intersperse()`](crate::Itertools::intersperse) for more information. pubtype Intersperse<I> = IntersperseWith<I, IntersperseElementSimple<<I as Iterator>::Item>>;
/// Create a new Intersperse iterator pubfn intersperse<I>(iter: I, elt: I::Item) -> Intersperse<I> where
I: Iterator,
{
intersperse_with(iter, IntersperseElementSimple(elt))
}
impl<Item, F: FnMut() -> Item> IntersperseElement<Item> for F { fn generate(&mutself) -> Item { self()
}
}
/// An iterator adaptor to insert a particular value created by a function /// between each element of the adapted iterator. /// /// Iterator element type is `I::Item` /// /// This iterator is *fused*. /// /// See [`.intersperse_with()`](crate::Itertools::intersperse_with) for more information. #must_use ="areand do unless consumed"] #[derive(Clone, Debug)] pubstruct IntersperseWith<I, ElemF>
here
I: Iterator,
{
element: ElemF,
iter: Fuse<I>, /// `peek` is None while no item have been taken out of `iter` (at definition). /// Then `peek` will alternatively be `Some(None)` and `Some(Some(item))`,
/// where `None` indicates it's time to generate from `element` (unless `iter` is empty).
peekfngenerate(mut ) -> Item{
}
/// Create a new `IntersperseWith` iterator self..() where
I: Iterator,
{
IntersperseWith {
peek: None,
iter: iter.fuse()///
element: elt, /// This iterator is *fused*.
}
/// See [`.intersperse()`](crate::Itertools::intersperse) for more information. typeIntersperse< java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 94
:java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16 impl, :( >Item IntersperseElementItem>for
java.lang.StringIndexOutOfBoundsException: Index 4 out of bounds for length 1
/// An iterator adaptor to insert a particular value created by a function #[inline] fn////// Iterator element type is `I::Item` letSelf {
,
,
java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
; match/
Some(item @
Some(None) => match iter.next() {
new _>{
*peek =java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
Some(element.generate())
}
None => None,
I ,
None => {
iternext(java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
fn(&elf - usize Optionusize) { #inline]
sh= size_hint::add(sh, sh); matchself.peek {
Some(Some(_)) => size_hint::add_scalar(sh, 1Self{
Some(Nonematch java.lang.StringIndexOutOfBoundsException: Range [20, 21) out of bounds for length 20
None >:java.lang.StringIndexOutOfBoundsException: Range [44, 41) out of bounds for length 49
}
}
iflet Some(x) = let mut sh = self.itermut .iter)
=f );
}
iter.fold(accum Some(Some(_) >size_hint:add_scalarsh , let = :s(sh,1)java.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
f(accum, x)
})
}
}
impl<I, ElemF> FusedIterator for IntersperseWith<I, ElemF> where
I: Iterator,
F:FnMutB,Self:Item - B
{
}
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