Add impls for uom_v0_37

Author: PedromcaMartins

source/postcard-schema/Cargo.toml

@@ -78,6 +78,13 @@ package = "serde-big-array"
 version = "0.5.1"
 optional = true
 
+[dependencies.uom_v0_37]
+package = "uom"
+version = "0.37.0"
+optional = true
+default-features = false
+features = ["si", "serde"]
+
 [dev-dependencies.postcard]
 path = "../postcard"
 version = "1.0"
@@ -89,8 +96,14 @@ version = "0.33.0"
 default-features = false
 features = ["serde-serialize-no-std"]
 
+[dev-dependencies.uom_v0_37]
+package = "uom"
+version = "0.37.0"
+default-features = false
+features = ["si", "serde", "f32", "f64", "u8"]
+
 [features]
-default = []
+default = ["uom-v0_37"]
 use-std = ["serde/std"]
 alloc = ["serde/alloc"]
 derive = ["postcard-derive"]
@@ -106,3 +119,4 @@ heapless-v0_8 = ["heapless_v0_8"]
 nalgebra-v0_33 = ["nalgebra_v0_33"]
 serde-big-array-v0_5 = ["serde-big-array_v0_5"]
 uuid-v1_0 = ["uuid_v1_0"]
+uom-v0_37 = ["uom_v0_37"]

source/postcard-schema/src/impls/mod.rs

@@ -45,6 +45,10 @@ pub mod serde_big_array_v0_5;
 #[cfg_attr(docsrs, doc(cfg(feature = "uuid-v1_0")))]
 pub mod uuid_v1_0;
 
+#[cfg(feature = "uom-v0_37")]
+#[cfg_attr(docsrs, doc(cfg(feature = "uom-v0_37")))]
+pub mod uom_v0_37;
+
 impl Schema for NamedType {
     const SCHEMA: &'static NamedType = &NamedType {
         name: "NamedType",

source/postcard-schema/src/impls/uom_v0_37.rs

@@ -0,0 +1,40 @@
+//! Implementations of the [`Schema`] trait for the `uom` crate v0.37
+
+use crate::Schema;
+
+impl<D, U, V> Schema 
+    for uom_v0_37::si::Quantity<D, U, V>
+where
+    D: uom_v0_37::si::Dimension + ?Sized,
+    U: uom_v0_37::si::Units<V> + ?Sized,
+    V: uom_v0_37::num::Num + uom_v0_37::Conversion<V> + Schema,
+{
+    const SCHEMA: &'static crate::schema::NamedType = V::SCHEMA;
+}
+
+#[test]
+fn f32_schema_check() {
+    type T = uom_v0_37::si::f32::Acceleration;
+    assert_eq!(T::SCHEMA.ty, f32::SCHEMA.ty);
+}
+
+#[test]
+fn f64_schema_check() {
+    type T = uom_v0_37::si::f64::ThermodynamicTemperature;
+    assert_eq!(T::SCHEMA.ty, f64::SCHEMA.ty);
+}
+
+#[test]
+fn u8_schema_check() {
+    type T = uom_v0_37::si::u8::AngularVelocity;
+    assert_eq!(T::SCHEMA.ty, u8::SCHEMA.ty);
+}
+
+#[test]
+fn u8_conversion() {
+    let x = uom_v0_37::si::u8::Acceleration::new::<
+        uom_v0_37::si::acceleration::meter_per_second_squared
+    >(4);
+    let y = postcard::to_stdvec(&x).unwrap();
+    assert_eq!(Some(&4), y.first());
+}