libdd-profiling 1.0.0

Continuous profiling library supporting pprof format collection and export to Datadog
Documentation 
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// Copyright 2024-Present Datadog, Inc. https://www.datadoghq.com/
// SPDX-License-Identifier: Apache-2.0

/// The [LendingIterator] is a version of an [Iterator] that can yield items
/// with references into the lender. It is a well-known name and there are
/// multiple crates which offer it, with differences. The needs here are
/// small, and so rather than bring in a pre-1.0 crate, just make our own.
pub trait LendingIterator {
    type Item<'a>
    where
        Self: 'a;

    fn next(&mut self) -> Option<Self::Item<'_>>;

    #[allow(unused)]
    fn count(self) -> usize;
}

/// Turn a collection of some sort into a [LendingIterator].
pub trait IntoLendingIterator {
    type Iter: LendingIterator;
    fn into_lending_iter(self) -> Self::Iter;
}