From 77862868d565d48d6bee8e302b5d5aebf8f14218 Mon Sep 17 00:00:00 2001
From: Robin Mueller <robin.mueller.m@gmail.com>
Date: Mon, 11 Mar 2024 14:28:18 +0100
Subject: [PATCH] these conversions are also useful

---
 CHANGELOG.md    |  4 ++++
 src/ecss/mod.rs | 14 ++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3a21074..6578ca4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,10 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 # [unreleased]
 
+## Added
+
+- `From<$EcssEnum$TY> from $TY` for the ECSS enum type definitions.
+
 # [v0.11.0-rc.0] 2024-03-04
 
 ## Added
diff --git a/src/ecss/mod.rs b/src/ecss/mod.rs
index dd2351c..8a33d03 100644
--- a/src/ecss/mod.rs
+++ b/src/ecss/mod.rs
@@ -370,6 +370,12 @@ macro_rules! generic_ecss_enum_typedefs_and_from_impls {
                     Self::new(value)
                 }
             }
+
+            impl From<$Enum> for $ty {
+                fn from(value: $Enum) -> Self {
+                    value.value_typed()
+                }
+            }
         )*
     };
 }
@@ -424,6 +430,8 @@ mod tests {
         assert_eq!(buf[1], 1);
         assert_eq!(my_enum.value(), 1);
         assert_eq!(my_enum.value_typed(), 1);
+        let enum_as_u8: u8 = my_enum.into();
+        assert_eq!(enum_as_u8, 1);
         let vec = my_enum.to_vec();
         assert_eq!(vec, buf[1..2]);
     }
@@ -441,6 +449,8 @@ mod tests {
         assert_eq!(buf[2], 0x2f);
         assert_eq!(my_enum.value(), 0x1f2f);
         assert_eq!(my_enum.value_typed(), 0x1f2f);
+        let enum_as_raw: u16 = my_enum.into();
+        assert_eq!(enum_as_raw, 0x1f2f);
         let vec = my_enum.to_vec();
         assert_eq!(vec, buf[1..3]);
     }
@@ -476,6 +486,8 @@ mod tests {
         assert_eq!(buf[4], 0x4f);
         assert_eq!(my_enum.value(), 0x1f2f3f4f);
         assert_eq!(my_enum.value_typed(), 0x1f2f3f4f);
+        let enum_as_raw: u32 = my_enum.into();
+        assert_eq!(enum_as_raw, 0x1f2f3f4f);
         let vec = my_enum.to_vec();
         assert_eq!(vec, buf[1..5]);
     }
@@ -512,6 +524,8 @@ mod tests {
         assert_eq!(buf[7], 0x5f);
         assert_eq!(my_enum.value(), 0x1f2f3f4f5f);
         assert_eq!(my_enum.value_typed(), 0x1f2f3f4f5f);
+        let enum_as_raw: u64 = my_enum.into();
+        assert_eq!(enum_as_raw, 0x1f2f3f4f5f);
         assert_eq!(u64::from_be_bytes(buf), 0x1f2f3f4f5f);
         let vec = my_enum.to_vec();
         assert_eq!(vec, buf);