lox 0.1.1

Fast polygon mesh library with different data structures and traits to abstract over those.
Documentation 
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//! Various helper traits and types.

use lina::Point3;

use crate::hsize;


mod list;
mod num;
mod prop;

pub use self::{
    list::{TriList, DiList, TriListIntoIter, DiListIntoIter, TriListIter, DiListIter},
    num::{CastFromPrimitive, CastIntoPrimitive, PrimitiveNum, PrimitiveCast, PrimitiveFloat},
    prop::{ColorLike, PrimitiveColorChannel, Pos3Like, Vec3Like},
};


// ===========================================================================
// ===== Extension traits
// ===========================================================================

/// Extension trait to add some useful methods to any type implementing
/// `Iterator`.
pub trait IteratorExt: Sized + Iterator {
    fn into_vec(self) -> Vec<Self::Item> {
        self.collect()
    }

    fn centroid(self) -> Option<Self::Item>
    where
        Self::Item: Pos3Like,
    {
        Point3::centroid(self.map(|item| item.to_point3())).map(|p| p.convert())
    }
}

impl<I: Iterator> IteratorExt for I {}


/// Extension trait to add a few useful methods to `hsize`.
pub trait HSizeExt {
    /// Returns a new index.
    ///
    /// When the index space has been exhausted and there is no new index, this
    /// function either panics or returns an old index. In debug mode, this
    /// function is guaranteed to panic in this case.
    fn next(self) -> Self;
}

impl HSizeExt for hsize {
    #[inline(always)]
    fn next(self) -> Self {
        self + 1
    }
}