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// Copyright 2016 bluss and ndarray developers. // // 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 axis index. /// /// An axis one of an array’s “dimensions”; an *n*-dimensional array has *n* axes. /// Axis *0* is the array’s outermost axis and *n*-1 is the innermost. /// /// All array axis arguments use this type to make the code easier to write /// correctly and easier to understand. #[derive(Clone, Copy, Debug, Eq, Hash, Ord, PartialEq, PartialOrd)] pub struct Axis(pub usize); impl Axis { /// Return the index of the axis. #[inline(always)] pub fn index(self) -> usize { self.0 } }