arr-rs 0.6.0

arr-rs - rust arrays library
Documentation 
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use crate::{
    core::prelude::*,
    errors::prelude::*,
    validators::prelude::*,
};

pub(crate) trait ValidateAxis {

    fn axis_in_bounds(&self, axis: usize) -> Result<(), ArrayError>;
    fn axis_opt_in_bounds(&self, axis: Option<usize>) -> Result<(), ArrayError>;
}

impl <T: ArrayElement> ValidateAxis for Array<T> {

    fn axis_in_bounds(&self, axis: usize) -> Result<(), ArrayError> {
        if axis >= self.ndim()? {
            Err(ArrayError::AxisOutOfBounds)
        } else {
            Ok(())
        }
    }

    fn axis_opt_in_bounds(&self, axis: Option<usize>) -> Result<(), ArrayError> {
        if axis.is_none() {
            Ok(())
        } else if axis.unwrap() >= self.ndim()? {
            Err(ArrayError::AxisOutOfBounds)
        } else {
            Ok(())
        }
    }
}

impl <T: ArrayElement> ValidateAxis for Vec<Array<T>> {

    fn axis_in_bounds(&self, axis: usize) -> Result<(), ArrayError> {
        self.iter().map(Array::ndim).collect::<Vec<Result<usize, ArrayError>>>().has_error()?;
        if self.iter().any(|a| axis >= a.ndim().unwrap()) {
            Err(ArrayError::AxisOutOfBounds)
        } else {
            Ok(())
        }
    }

    fn axis_opt_in_bounds(&self, axis: Option<usize>) -> Result<(), ArrayError> {
        if axis.is_none() {
            return Ok(())
        }

        self.iter().map(Array::ndim).collect::<Vec<Result<usize, ArrayError>>>().has_error()?;
        if self.iter().any(|a| axis.unwrap() >= a.ndim().unwrap()) {
            Err(ArrayError::AxisOutOfBounds)
        } else {
            Ok(())
        }
    }
}