i_overlay 7.0.1

Boolean Operations for 2D Polygons: Supports intersection, union, difference, xor, and self-intersections for all polygon varieties.
Documentation 
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use crate::segm::segment::Segment;
use i_float::int::number::int::IntNumber;
use i_key_sort::sort::key::SortKey;
use i_key_sort::sort::two_keys_cmp::TwoKeysAndCmpSort;

pub(crate) trait ShapeSegmentsSort {
    fn sort_by_ab(&mut self, parallel: bool);
}

impl<I: IntNumber + SortKey, C: Send + Sync + Copy, D: Send + Sync + Copy> ShapeSegmentsSort
    for [Segment<C, I, D>]
{
    #[inline]
    fn sort_by_ab(&mut self, parallel: bool) {
        self.sort_by_two_keys_then_by(
            parallel,
            |s| s.x_segment.a.x,
            |s| s.x_segment.a.y,
            |s0, s1| s0.x_segment.b.cmp(&s1.x_segment.b),
        )
    }
}