iter_private.rs.html -- source
Description: Source to the Rust file `/usr/obj/ports/rust-1.16.0/rustc-1.16.0-src/src/libcore/iter_private.rs`.
Keywords: rust, rustlang, rust-lang

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    // Copyright 2016 The Rust Project Developers. See the COPYRIGHT
    // file at the top-level directory of this distribution and at
    // http://rust-lang.org/COPYRIGHT.
    //
    // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
    // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
    // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
    // option. This file may not be copied, modified, or distributed
    // except according to those terms.

    /// An iterator whose items are random accessible efficiently
    ///
    /// # Safety
    ///
    /// The iterator's .len() and size_hint() must be exact.
    /// `.len()` must be cheap to call.
    ///
    /// .get_unchecked() must return distinct mutable references for distinct
    /// indices (if applicable), and must return a valid reference if index is in
    /// 0..self.len().
    #[doc(hidden)]
    pub unsafe trait TrustedRandomAccess : ExactSizeIterator {
        unsafe fn get_unchecked(&mut self, i: usize) -> Self::Item;
        /// Return `true` if getting an iterator element may have
        /// side effects. Remember to take inner iterators into account.
        fn may_have_side_effect() -> bool;
    }

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