ndarray 0.4.0-alpha.6

An N-dimensional array for general elements and for numerics. Lightweight array views and slicing. Supports both uniquely owned and shared copy-on-write arrays similar to numpy’s ndarray. `rblas` is an optional dependency.
Documentation 
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use std::fmt;
use std::error::Error;

/// An error to describe invalid stride states
#[derive(Clone, Debug, PartialEq)]
pub enum StrideError {
    /// stride leads to out of bounds indexing
    OutOfBounds,
    /// stride leads to aliasing array elements
    Unsupported,
}

impl Error for StrideError {
    fn description(&self) -> &str {
        match *self {
            StrideError::OutOfBounds => "stride leads to out of bounds indexing",
            StrideError::Unsupported => "stride leads to aliasing array elements",
        }
    }
}

impl fmt::Display for StrideError {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        self.description().fmt(f)
    }
}