From e22d15f381e0deef7ed4ad1f04c8c548b8841a11 Mon Sep 17 00:00:00 2001
From: Austen Adler <agadler@austenadler.com>
Date: Sun, 19 Mar 2023 23:18:09 -0400
Subject: [PATCH] Impl TryInto for all coordinate types

---
 spatial-coordinate-systems/src/lib.rs | 46 ++++++++++++++++++++++++---
 1 file changed, 42 insertions(+), 4 deletions(-)

diff --git a/spatial-coordinate-systems/src/lib.rs b/spatial-coordinate-systems/src/lib.rs
index e079c94..9bd46e1 100644
--- a/spatial-coordinate-systems/src/lib.rs
+++ b/spatial-coordinate-systems/src/lib.rs
@@ -8,8 +8,6 @@ pub mod dms;
 pub mod plus;
 pub mod utm;
 
-// use dmm::DMM;
-use dms::DMS;
 use nom::{
     branch::alt,
     character::complete::space0,
@@ -42,7 +40,7 @@ impl Direction {
 pub enum Coordinate {
     DD(dd::Coordinate),
     DMS(dms::Coordinate),
-    // DM(dmm::Coordinate),
+    // DMM(dmm::Coordinate),
     UTM(utm::Coordinate),
     Plus(plus::Coordinate),
 }
@@ -55,7 +53,7 @@ impl Coordinate {
                 alt((
                     map(dd::Coordinate::parse, Coordinate::DD),
                     map(dms::Coordinate::parse, Coordinate::DMS),
-                    // map(dmm::Coordinate::parse, Coordinate::DM),
+                    // map(dmm::Coordinate::parse, Coordinate::DMM),
                     map(utm::Coordinate::parse, Coordinate::UTM),
                     map(plus::Coordinate::parse, Coordinate::Plus),
                 )),
@@ -67,6 +65,46 @@ impl Coordinate {
     }
 }
 
+impl TryInto<LatLon> for Coordinate {
+    type Error = ();
+
+    fn try_into(self) -> Result<LatLon, Self::Error> {
+        match self {
+            Coordinate::DD(dd) => dd.try_into().or(Err(())),
+            // Coordinate::DMM(dm) => dm.try_into(),
+            Coordinate::DMS(dms) => dms.try_into(),
+            Coordinate::UTM(utm) => utm.try_into(),
+            Coordinate::Plus(plus) => plus.try_into(),
+        }
+    }
+}
+
+impl From<dd::Coordinate> for Coordinate {
+    fn from(c: dd::Coordinate) -> Self {
+        Self::DD(c)
+    }
+}
+impl From<dms::Coordinate> for Coordinate {
+    fn from(c: dms::Coordinate) -> Self {
+        Self::DMS(c)
+    }
+}
+// impl From<dmm::Coordinate> for Coordinate {
+//     fn from(c: dmm::Coordinate) -> Self {
+//         Self::DMM(c)
+//     }
+// }
+impl From<utm::Coordinate> for Coordinate {
+    fn from(c: utm::Coordinate) -> Self {
+        Self::UTM(c)
+    }
+}
+impl From<plus::Coordinate> for Coordinate {
+    fn from(c: plus::Coordinate) -> Self {
+        Self::Plus(c)
+    }
+}
+
 impl FromStr for Coordinate {
     type Err = ();