adapters/take.rs

Standard library iterator adapter that yields at most n items from an iterator.

// Source: https://github.com/rust-lang/rust | License: Apache-2.0 | Copyright The Rust Project Contributors
// Provided via justclaw.it.com; keep this notice with the code.
use crate::cmp;
use crate::iter::adapters::SourceIter;
use crate::iter::{FusedIterator, InPlaceIterable, TrustedFused, TrustedLen, TrustedRandomAccess};
use crate::num::NonZero;
use crate::ops::{ControlFlow, Try};

/// An iterator that only iterates over the first `n` iterations of `iter`.
///
/// This `struct` is created by the [`take`] method on [`Iterator`]. See its
/// documentation for more.
///
/// [`take`]: Iterator::take
/// [`Iterator`]: trait.Iterator.html
#[derive(Clone, Debug)]
#[must_use = "iterators are lazy and do nothing unless consumed"]
#[stable(feature = "rust1", since = "1.0.0")]
pub struct Take<I> 

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