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pub trait Point: Send + Sync {
fn x(&self) -> f64;
fn y(&self) -> f64;
fn opt_z(&self) -> Option<f64> {
None
}
fn opt_m(&self) -> Option<f64> {
None
}
}
pub trait LineString<'a>: Send + Sync {
type ItemType: 'a + Point;
type Iter: Iterator<Item = &'a Self::ItemType>;
fn points(&'a self) -> Self::Iter;
}
pub trait Polygon<'a>: Send + Sync {
type ItemType: 'a + LineString<'a>;
type Iter: Iterator<Item = &'a Self::ItemType>;
fn rings(&'a self) -> Self::Iter;
}
pub trait MultiPoint<'a>: Send + Sync {
type ItemType: 'a + Point;
type Iter: Iterator<Item = &'a Self::ItemType>;
fn points(&'a self) -> Self::Iter;
}
pub trait MultiLineString<'a>: Send + Sync {
type ItemType: 'a + LineString<'a>;
type Iter: Iterator<Item = &'a Self::ItemType>;
fn lines(&'a self) -> Self::Iter;
}
pub trait MultiPolygon<'a>: Send + Sync {
type ItemType: 'a + Polygon<'a>;
type Iter: Iterator<Item = &'a Self::ItemType>;
fn polygons(&'a self) -> Self::Iter;
}
pub trait Geometry<'a>: Send + Sync {
type Point: 'a + Point;
type LineString: 'a + LineString<'a>;
type Polygon: 'a + Polygon<'a>;
type MultiPoint: 'a + MultiPoint<'a>;
type MultiLineString: 'a + MultiLineString<'a>;
type MultiPolygon: 'a + MultiPolygon<'a>;
type GeometryCollection: 'a + GeometryCollection<'a>;
fn as_type(
&'a self,
) -> GeometryType<
'a,
Self::Point,
Self::LineString,
Self::Polygon,
Self::MultiPoint,
Self::MultiLineString,
Self::MultiPolygon,
Self::GeometryCollection,
>;
}
pub enum GeometryType<'a, P, L, Y, MP, ML, MY, GC>
where
P: 'a + Point,
L: 'a + LineString<'a>,
Y: 'a + Polygon<'a>,
MP: 'a + MultiPoint<'a>,
ML: 'a + MultiLineString<'a>,
MY: 'a + MultiPolygon<'a>,
GC: 'a + GeometryCollection<'a>,
{
Point(&'a P),
LineString(&'a L),
Polygon(&'a Y),
MultiPoint(&'a MP),
MultiLineString(&'a ML),
MultiPolygon(&'a MY),
GeometryCollection(&'a GC),
}
pub trait GeometryCollection<'a> {
type ItemType: 'a;
type Iter: Iterator<Item = &'a Self::ItemType>;
fn geometries(&'a self) -> Self::Iter;
}