zenjxl-decoder 0.3.8

High performance Rust implementation of a JPEG XL decoder
Documentation 
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// Copyright (c) the JPEG XL Project Authors. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

macro_rules! slice {
    (&$data:expr, $range:expr) => {
        $data[$range]
    };
    (&mut $data:expr, $range:expr) => {
        $data[$range]
    };
    (&mut $data:expr, $range:expr $(, $rest_ranges:expr)+) => {
        $data[$range].iter_mut().map(|inner_data| {
            &mut slice!(&inner_data, $($rest_ranges),+)
        }).collect::<Vec<_>>()
    };
    (&$data:expr, $range:expr $(, $rest_ranges:expr)+) => {
        $data[$range].iter().map(|inner_data| {
            &slice!(&inner_data, $($rest_ranges),+)
        }).collect::<Vec<_>>()
    };
}
pub(crate) use slice;