Position as opaque struct

tiny_vec becomes private implementation detail in case we want to change
it further in the future.

It's admittedly more verbose with this commit. We could clean it up with
a pos! macro, or add some helper methods like Value::pt2d([1, 2]).

README.md

@@ -37,7 +37,7 @@ let geojson = geojson_str.parse::<GeoJson>().unwrap();
 use geojson::{Feature, GeoJson, Geometry, Value, JsonObject, JsonValue};
 
 let geometry = Geometry::new(
-    Value::Point(tiny_vec![-120.66029,35.2812])
+    Value::Point(Position::from([-120.66029,35.2812]))
 );
 
 let mut properties = JsonObject::new();

src/conversion/from_geo_types.rs

@@ -1,7 +1,5 @@
 use geo_types::{self, CoordFloat};
 
-use tinyvec::tiny_vec;
-
 use crate::{geometry, Feature, FeatureCollection};
 
 use crate::{LineStringType, PointType, PolygonType};
@@ -187,8 +185,7 @@ where
 {
     let x: f64 = point.x().to_f64().unwrap();
     let y: f64 = point.y().to_f64().unwrap();
-
-    tiny_vec![x, y]
+    crate::Position::from([x, y])
 }
 
 fn create_line_string_type<T>(line_string: &geo_types::LineString<T>) -> LineStringType

src/conversion/to_geo_types.rs

@@ -361,16 +361,15 @@ fn mismatch_geom_err(expected_type: &'static str, found: &geometry::Value) -> Er
 
 #[cfg(test)]
 mod tests {
-    use crate::{Geometry, Value};
+    use crate::{Geometry, Position, Value};
     use serde_json::json;
-    use tinyvec::tiny_vec;
 
     use std::convert::TryInto;
 
     #[test]
     fn geojson_point_conversion_test() {
-        let coords = tiny_vec![100.0, 0.2];
-        let geojson_point = Value::Point(coords.clone());
+        let coords = [100.0, 0.2_f64];
+        let geojson_point = Value::Point(Position(coords.clone().into()));
         let geo_point: geo_types::Point<f64> = geojson_point.try_into().unwrap();
 
         assert_almost_eq!(geo_point.x(), coords[0], 1e-6);
@@ -379,8 +378,8 @@ mod tests {
 
     #[test]
     fn geojson_multi_point_conversion_test() {
-        let coord1 = tiny_vec![100.0, 0.2];
-        let coord2 = tiny_vec![101.0, 1.0];
+        let coord1 = Position([100.0, 0.2].into());
+        let coord2 = Position([101.0, 1.0].into());
         let geojson_multi_point = Value::MultiPoint(vec![coord1.clone(), coord2.clone()]);
         let geo_multi_point: geo_types::MultiPoint<f64> = geojson_multi_point.try_into().unwrap();
 
@@ -392,8 +391,8 @@ mod tests {
 
     #[test]
     fn geojson_line_string_conversion_test() {
-        let coord1 = tiny_vec![100.0, 0.2];
-        let coord2 = tiny_vec![101.0, 1.0];
+        let coord1 = Position::from([100.0, 0.2]);
+        let coord2 = Position::from([101.0, 1.0]);
         let geojson_line_string = Value::LineString(vec![coord1.clone(), coord2.clone()]);
         let geo_line_string: geo_types::LineString<f64> = geojson_line_string.try_into().unwrap();
 
@@ -405,9 +404,9 @@ mod tests {
 
     #[test]
     fn geojson_multi_line_string_conversion_test() {
-        let coord1 = tiny_vec![100.0, 0.2];
-        let coord2 = tiny_vec![101.0, 1.0];
-        let coord3 = tiny_vec![102.0, 0.8];
+        let coord1 = Position::from([100.0, 0.2]);
+        let coord2 = Position::from([101.0, 1.0]);
+        let coord3 = Position::from([102.0, 0.8]);
         let geojson_multi_line_string = Value::MultiLineString(vec![
             vec![coord1.clone(), coord2.clone()],
             vec![coord2.clone(), coord3.clone()],
@@ -430,12 +429,12 @@ mod tests {
 
     #[test]
     fn geojson_polygon_conversion_test() {
-        let coord1 = tiny_vec![100.0, 0.0];
-        let coord2 = tiny_vec![101.0, 1.0];
-        let coord3 = tiny_vec![101.0, 1.0];
-        let coord4 = tiny_vec![104.0, 0.2];
-        let coord5 = tiny_vec![100.9, 0.2];
-        let coord6 = tiny_vec![100.9, 0.7];
+        let coord1 = Position::from([100.0, 0.0]);
+        let coord2 = Position::from([101.0, 1.0]);
+        let coord3 = Position::from([101.0, 1.0]);
+        let coord4 = Position::from([104.0, 0.2]);
+        let coord5 = Position::from([100.9, 0.2]);
+        let coord6 = Position::from([100.9, 0.7]);
 
         let geojson_multi_line_string_type1 = vec![
             vec![
@@ -485,9 +484,9 @@ mod tests {
 
     #[test]
     fn geojson_polygon_without_interiors_conversion_test() {
-        let coord1 = tiny_vec![100.0, 0.0];
-        let coord2 = tiny_vec![101.0, 1.0];
-        let coord3 = tiny_vec![101.0, 1.0];
+        let coord1 = Position::from([100.0, 0.0]);
+        let coord2 = Position::from([101.0, 1.0]);
+        let coord3 = Position::from([101.0, 1.0]);
 
         let geojson_multi_line_string_type1 = vec![vec![
             coord1.clone(),
@@ -513,12 +512,12 @@ mod tests {
 
     #[test]
     fn geojson_multi_polygon_conversion_test() {
-        let coord1 = tiny_vec![100.0, 0.0];
-        let coord2 = tiny_vec![101.0, 1.0];
-        let coord3 = tiny_vec![101.0, 1.0];
-        let coord4 = tiny_vec![104.0, 0.2];
-        let coord5 = tiny_vec![100.9, 0.2];
-        let coord6 = tiny_vec![100.9, 0.7];
+        let coord1 = Position::from([100.0, 0.0]);
+        let coord2 = Position::from([101.0, 1.0]);
+        let coord3 = Position::from([101.0, 1.0]);
+        let coord4 = Position::from([104.0, 0.2]);
+        let coord5 = Position::from([100.9, 0.2]);
+        let coord6 = Position::from([100.9, 0.7]);
 
         let geojson_line_string_type1 = vec![
             coord1.clone(),
@@ -563,11 +562,11 @@ mod tests {
 
     #[test]
     fn geojson_geometry_collection_conversion_test() {
-        let coord1 = tiny_vec![100.0, 0.0];
-        let coord2 = tiny_vec![100.0, 1.0];
-        let coord3 = tiny_vec![101.0, 1.0];
-        let coord4 = tiny_vec![102.0, 0.0];
-        let coord5 = tiny_vec![101.0, 0.0];
+        let coord1 = Position::from([100.0, 0.0]);
+        let coord2 = Position::from([100.0, 1.0]);
+        let coord3 = Position::from([101.0, 1.0]);
+        let coord4 = Position::from([102.0, 0.0]);
+        let coord5 = Position::from([101.0, 0.0]);
 
         let geojson_multi_point = Value::MultiPoint(vec![coord1.clone(), coord2.clone()]);
         let geojson_multi_line_string = Value::MultiLineString(vec![
@@ -603,7 +602,7 @@ mod tests {
 
     #[test]
     fn geojson_geometry_conversion() {
-        let coords = tiny_vec![100.0, 0.2];
+        let coords = Position::from([100.0, 0.2]);
         let geojson_geometry = Geometry::from(Value::Point(coords.clone()));
         let geo_geometry: geo_types::Geometry<f64> = geojson_geometry
             .try_into()
@@ -616,8 +615,8 @@ mod tests {
 
     #[test]
     fn geojson_mismatch_geometry_conversion_test() {
-        let coord1 = tiny_vec![100.0, 0.2];
-        let coord2 = tiny_vec![101.0, 1.0];
+        let coord1 = Position::from([100.0, 0.2]);
+        let coord2 = Position::from([101.0, 1.0]);
         let geojson_line_string = Value::LineString(vec![coord1.clone(), coord2.clone()]);
         use std::convert::TryFrom;
         let error = geo_types::Point::<f64>::try_from(geojson_line_string).unwrap_err();
@@ -679,10 +678,10 @@ mod tests {
 
     #[test]
     fn borrowed_value_conversions_test() -> crate::Result<()> {
-        let coord1 = tiny_vec![100.0, 0.2];
-        let coord2 = tiny_vec![101.0, 1.0];
-        let coord3 = tiny_vec![102.0, 0.8];
-        let coord4 = tiny_vec![104.0, 0.2];
+        let coord1 = Position::from([100.0, 0.2]);
+        let coord2 = Position::from([101.0, 1.0]);
+        let coord3 = Position::from([102.0, 0.8]);
+        let coord4 = Position::from([104.0, 0.2]);
 
         let geojson_point = Value::Point(coord1.clone());
         let _: geo_types::Point<f64> = (&geojson_point).try_into()?;

src/feature.rs

@@ -222,12 +222,10 @@ impl Serialize for Id {
 
 #[cfg(test)]
 mod tests {
-    use crate::JsonObject;
-    use crate::{feature, Error, Feature, GeoJson, Geometry, Value};
+    use crate::{feature, Error, Feature, GeoJson, Geometry, JsonObject, Position, Value};
     use serde_json::json;
 
     use std::str::FromStr;
-    use tinyvec::tiny_vec;
 
     fn feature_json_str() -> &'static str {
         "{\"geometry\":{\"coordinates\":[1.1,2.1],\"type\":\"Point\"},\"properties\":{},\"type\":\
@@ -253,7 +251,7 @@ mod tests {
     }
 
     fn value() -> Value {
-        Value::Point(tiny_vec![1.1, 2.1])
+        Value::Point(Position::from([1.1, 2.1]))
     }
 
     fn geometry() -> Geometry {
@@ -348,7 +346,7 @@ mod tests {
         let feature_json_str = "{\"geometry\":{\"coordinates\":[1.1,2.1],\"type\":\"Point\"},\"id\":0,\"properties\":{},\"type\":\"Feature\"}";
         let feature = crate::Feature {
             geometry: Some(Geometry {
-                value: Value::Point(tiny_vec![1.1, 2.1]),
+                value: Value::Point(Position::from([1.1, 2.1])),
                 bbox: None,
                 foreign_members: None,
             }),
@@ -374,7 +372,7 @@ mod tests {
         let feature_json_str = "{\"geometry\":{\"coordinates\":[1.1,2.1],\"type\":\"Point\"},\"id\":\"foo\",\"properties\":{},\"type\":\"Feature\"}";
         let feature = crate::Feature {
             geometry: Some(Geometry {
-                value: Value::Point(tiny_vec![1.1, 2.1]),
+                value: Value::Point(Position::from([1.1, 2.1])),
                 bbox: None,
                 foreign_members: None,
             }),
@@ -425,7 +423,7 @@ mod tests {
         );
         let feature = crate::Feature {
             geometry: Some(Geometry {
-                value: Value::Point(tiny_vec![1.1, 2.1]),
+                value: Value::Point(Position::from([1.1, 2.1])),
                 bbox: None,
                 foreign_members: None,
             }),

src/feature_collection.rs

@@ -51,13 +51,12 @@ use serde_json::json;
 /// Collect from an iterator:
 ///
 /// ```rust
-/// use geojson::{Feature, FeatureCollection, Value};
-/// use tinyvec::tiny_vec;
+/// use geojson::{Feature, FeatureCollection, Position, Value};
 ///
 /// let fc: FeatureCollection = (0..10)
 ///     .map(|idx| -> Feature {
 ///         let c = idx as f64;
-///         Value::Point(tiny_vec![1.0 * c, 2.0 * c, 3.0 * c]).into()
+///         Value::Point(Position::from(vec![1.0 * c, 2.0 * c, 3.0 * c])).into()
 ///     })
 ///     .collect();
 /// assert_eq!(fc.features.len(), 10);
@@ -254,22 +253,24 @@ impl FromIterator<Feature> for FeatureCollection {
 
 #[cfg(test)]
 mod tests {
-    use crate::{Error, Feature, FeatureCollection, Value};
+    use crate::{Error, Feature, FeatureCollection, Position, Value};
     use serde_json::json;
 
     use std::str::FromStr;
-    use tinyvec::tiny_vec;
     #[test]
     fn test_fc_from_iterator() {
         let features: Vec<Feature> = vec![
             {
-                let mut feat: Feature = Value::Point(tiny_vec![0., 0., 0.]).into();
+                let mut feat: Feature = Value::Point(Position::from(vec![0., 0., 0.])).into();
                 feat.bbox = Some(vec![-1., -1., -1., 1., 1., 1.]);
                 feat
             },
             {
-                let mut feat: Feature =
-                    Value::MultiPoint(vec![tiny_vec![10., 10., 10.], tiny_vec![11., 11., 11.]]).into();
+                let mut feat: Feature = Value::MultiPoint(vec![
+                    Position::from(vec![10., 10., 10.]),
+                    Position::from(vec![11., 11., 11.]),
+                ])
+                .into();
                 feat.bbox = Some(vec![10., 10., 10., 11., 11., 11.]);
                 feat
             },

src/feature_iterator.rs

@@ -129,10 +129,9 @@ where
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::{Geometry, Value};
+    use crate::{Geometry, Position, Value};
 
     use std::io::BufReader;
-    use tinyvec::tiny_vec;
 
     fn fc() -> &'static str {
         r#"
@@ -188,7 +187,7 @@ mod tests {
         assert_eq!(
             Geometry {
                 bbox: None,
-                value: Value::Point(tiny_vec![102.0, 0.5]),
+                value: Value::Point(Position::from([102.0, 0.5])),
                 foreign_members: None,
             },
             fi.next().unwrap().unwrap().geometry.unwrap()
@@ -197,10 +196,10 @@ mod tests {
             Geometry {
                 bbox: None,
                 value: Value::LineString(vec![
-                    tiny_vec![102.0, 0.0],
-                    tiny_vec![103.0, 1.0],
-                    tiny_vec![104.0, 0.0],
-                    tiny_vec![105.0, 1.0]
+                    Position::from([102.0, 0.0]),
+                    Position::from([103.0, 1.0]),
+                    Position::from([104.0, 0.0]),
+                    Position::from([105.0, 1.0])
                 ]),
                 foreign_members: None,
             },
@@ -210,11 +209,11 @@ mod tests {
             Geometry {
                 bbox: None,
                 value: Value::Polygon(vec![vec![
-                    tiny_vec![100.0, 0.0],
-                    tiny_vec![101.0, 0.0],
-                    tiny_vec![101.0, 1.0],
-                    tiny_vec![100.0, 1.0],
-                    tiny_vec![100.0, 0.0]
+                    Position::from([100.0, 0.0]),
+                    Position::from([101.0, 0.0]),
+                    Position::from([101.0, 1.0]),
+                    Position::from([100.0, 1.0]),
+                    Position::from([100.0, 0.0])
                 ]]),
                 foreign_members: None,
             },

src/feature_writer.rs

@@ -226,7 +226,7 @@ impl<W: Write> Drop for FeatureWriter<W> {
 #[cfg(test)]
 mod tests {
     use super::*;
-    use crate::JsonValue;
+    use crate::{JsonValue, Position};
 
     use serde_json::json;
 
@@ -284,7 +284,9 @@ mod tests {
 
                 Feature {
                     bbox: None,
-                    geometry: Some(crate::Geometry::from(crate::Value::Point(vec![1.1, 1.2]))),
+                    geometry: Some(crate::Geometry::from(crate::Value::Point(Position::from(
+                        [1.1, 1.2],
+                    )))),
                     id: None,
                     properties: Some(props),
                     foreign_members: None,
@@ -298,7 +300,9 @@ mod tests {
 
                 Feature {
                     bbox: None,
-                    geometry: Some(crate::Geometry::from(crate::Value::Point(vec![2.1, 2.2]))),
+                    geometry: Some(crate::Geometry::from(crate::Value::Point(Position::from(
+                        [2.1, 2.2],
+                    )))),
                     id: None,
                     properties: Some(props),
                     foreign_members: None,
@@ -340,12 +344,12 @@ mod tests {
         {
             let mut writer = FeatureWriter::from_writer(&mut buffer);
             let record_1 = MyRecord {
-                geometry: crate::Geometry::from(crate::Value::Point(vec![1.1, 1.2])),
+                geometry: crate::Geometry::from(crate::Value::Point(Position::from([1.1, 1.2]))),
                 name: "Mishka".to_string(),
                 age: 12,
             };
             let record_2 = MyRecord {
-                geometry: crate::Geometry::from(crate::Value::Point(vec![2.1, 2.2])),
+                geometry: crate::Geometry::from(crate::Value::Point(Position::from([2.1, 2.2]))),
                 name: "Jane".to_string(),
                 age: 22,
             };