snarkvm-algorithms 0.0.2

Algorithms for a decentralized virtual machine
Documentation 
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// Copyright (C) 2019-2020 Aleo Systems Inc.
// This file is part of the snarkVM library.

// The snarkVM library is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// The snarkVM library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with the snarkVM library. If not, see <https://www.gnu.org/licenses/>.

/// Creates parallel iterator over refs if `parallel` feature is enabled.
#[macro_export]
macro_rules! cfg_iter {
    ($e: expr) => {{
        #[cfg(feature = "parallel")]
        let result = $e.par_iter();

        #[cfg(not(feature = "parallel"))]
        let result = $e.iter();

        result
    }};
}

/// Creates parallel iterator over mut refs if `parallel` feature is enabled.
#[macro_export]
macro_rules! cfg_iter_mut {
    ($e: expr) => {{
        #[cfg(feature = "parallel")]
        let result = $e.par_iter_mut();

        #[cfg(not(feature = "parallel"))]
        let result = $e.iter_mut();

        result
    }};
}

/// Creates parallel iterator if `parallel` feature is enabled.
#[macro_export]
macro_rules! cfg_into_iter {
    ($e: expr) => {{
        #[cfg(feature = "parallel")]
        let result = $e.into_par_iter();

        #[cfg(not(feature = "parallel"))]
        let result = $e.into_iter();

        result
    }};
}

/// Returns an iterator over `chunk_size` elements of the slice at a time.
#[macro_export]
macro_rules! cfg_chunks_mut {
    ($e: expr, $size: expr) => {{
        #[cfg(feature = "parallel")]
        let result = $e.par_chunks_mut($size);

        #[cfg(not(feature = "parallel"))]
        let result = $e.chunks_mut($size);

        result
    }};
}