Derive defmt::Format for public types (#1517)

* Derive defmt::Format for Matrix

* Derive for other types in nalgebra

* chore: update changelog

---------

Co-authored-by: Sébastien Crozet <sebcrozet@dimforge.com>

Author: avsaase

CHANGELOG.md

@@ -10,6 +10,7 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 ### Added
 
 - Add the `convert-glam030` feature to enable conversion from/to types from `glam` v0.30.
+- Add the `defmt` cargo feature that enables derives of `defmt::Format` for all no-std types.
 
 ### Changed
 

Cargo.toml

@@ -132,6 +132,7 @@ glam028 = { package = "glam", version = "0.28", optional = true }
 glam029 = { package = "glam", version = "0.29", optional = true }
 glam030 = { package = "glam", version = "0.30", optional = true }
 rayon = { version = "1.6", optional = true }
+defmt = { version = "1.0.1", optional = true }
 
 [dev-dependencies]
 serde_json = "1.0"

src/base/array_storage.rs

@@ -45,6 +45,7 @@ use std::mem;
     )
 )]
 #[cfg_attr(feature = "rkyv-serialize", derive(bytecheck::CheckBytes))]
+#[cfg_attr(feature = "defmt", derive(defmt::Format))]
 pub struct ArrayStorage<T, const R: usize, const C: usize>(pub [[T; R]; C]);
 
 impl<T, const R: usize, const C: usize> ArrayStorage<T, R, C> {

src/base/dimension.rs

@@ -219,6 +219,7 @@ dim_ops!(
     archive(as = "Self")
 )]
 #[cfg_attr(feature = "rkyv-serialize", derive(bytecheck::CheckBytes))]
+#[cfg_attr(feature = "defmt", derive(defmt::Format))]
 pub struct Const<const R: usize>;
 
 /// Trait implemented exclusively by type-level integers.

src/base/matrix.rs

@@ -174,6 +174,7 @@ pub type MatrixCross<T, R1, C1, R2, C2> =
     )
 )]
 #[cfg_attr(feature = "rkyv-serialize", derive(bytecheck::CheckBytes))]
+#[cfg_attr(feature = "defmt", derive(defmt::Format))]
 pub struct Matrix<T, R, C, S> {
     /// The data storage that contains all the matrix components. Disappointed?
     ///

src/base/unit.rs

@@ -38,6 +38,7 @@ use rkyv::bytecheck;
     )
 )]
 #[cfg_attr(feature = "rkyv-serialize", derive(bytecheck::CheckBytes))]
+#[cfg_attr(feature = "defmt", derive(defmt::Format))]
 pub struct Unit<T> {
     pub(crate) value: T,
 }

src/geometry/dual_quaternion.rs

@@ -57,6 +57,7 @@ use simba::scalar::{ClosedNeg, RealField};
     )
 )]
 #[cfg_attr(feature = "rkyv-serialize", derive(bytecheck::CheckBytes))]
+#[cfg_attr(feature = "defmt", derive(defmt::Format))]
 pub struct DualQuaternion<T> {
     /// The real component of the quaternion
     pub real: Quaternion<T>,

src/geometry/isometry.rs

@@ -88,6 +88,7 @@ use rkyv::bytecheck;
     ")
     )
 )]
+#[cfg_attr(feature = "defmt", derive(defmt::Format))]
 pub struct Isometry<T, R, const D: usize> {
     /// The pure rotational part of this isometry.
     pub rotation: R,

src/geometry/orthographic.rs

@@ -38,6 +38,7 @@ use rkyv::bytecheck;
 )]
 #[cfg_attr(feature = "rkyv-serialize", derive(bytecheck::CheckBytes))]
 #[derive(Copy, Clone)]
+#[cfg_attr(feature = "defmt", derive(defmt::Format))]
 pub struct Orthographic3<T> {
     matrix: Matrix4<T>,
 }

src/geometry/perspective.rs

@@ -40,6 +40,7 @@ use rkyv::bytecheck;
 )]
 #[cfg_attr(feature = "rkyv-serialize", derive(bytecheck::CheckBytes))]
 #[derive(Copy, Clone)]
+#[cfg_attr(feature = "defmt", derive(defmt::Format))]
 pub struct Perspective3<T> {
     matrix: Matrix4<T>,
 }