add serde feature to CI tests and fix all issues to make these tests pass

Author: trappitsch

.github/workflows/build.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         rust: [stable]
-        FEATURES: ['', 'from_str', 'std']
+        FEATURES: ['', 'from_str', 'std', 'serde']
 
         include:
           # Test nightly but don't fail

src/acceleration.rs

@@ -24,7 +24,7 @@ use std::str::FromStr;
 ///     println!("You accelerated over {} at an average of {}", track, accel);
 ///}
 /// ```
-#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 #[derive(Copy, Clone, Debug, Default)]
 pub struct Acceleration {
     meters_per_second_per_second: f64,

src/angle.rs

@@ -19,7 +19,7 @@ use std::str::FromStr;
 /// let slice = whole_cake / pieces;
 /// println!("Each slice will be {} degrees", slice.as_degrees());
 /// ```
-#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 #[derive(Copy, Clone, Debug, Default)]
 pub struct Angle {
     radians: f64,

src/angular_velocity.rs

@@ -18,7 +18,7 @@ use std::str::FromStr;
 /// let engine_speed = AngularVelocity::from_rpm(9000.0);
 /// let sparks_per_second = (engine_speed.as_hertz() / 2.0) * cylinders;
 /// ```
-#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 #[derive(Copy, Clone, Debug, Default)]
 pub struct AngularVelocity {
     radians_per_second: f64,

src/area.rs

@@ -22,7 +22,7 @@ const SQUARE_METER_ACRE_FACTOR: f64 = 1.0 / 4046.86;
 /// let acres = football_field.as_acres();
 /// println!("There are {} acres in a football field.", acres);
 /// ```
-#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 #[derive(Copy, Clone, Debug, Default)]
 pub struct Area {
     square_meters: f64,
@@ -318,7 +318,7 @@ impl FromStr for Area {
 
         let re = Regex::new(r"(?i)\s*([0-9.]*)\s?([a-z2\u{00B2}\u{00B5} ]{1,5})\s*$").unwrap();
         if let Some(caps) = re.captures(val) {
-            println!("{:?}", caps);
+            println!("{caps:?}");
             let float_val = caps.get(1).unwrap().as_str();
             return Ok(
                 match caps.get(2).unwrap().as_str().trim().to_lowercase().as_str() {

src/current.rs

@@ -15,7 +15,7 @@ use super::measurement::*;
 /// let u_a = amperes.as_microamperes();
 /// println!("35 mA correspond to {} A or {} µA", a, u_a);
 /// ```
-#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 #[derive(Copy, Clone, Debug, Default)]
 pub struct Current {
     amperes: f64,

src/data.rs

@@ -29,7 +29,7 @@ const OCTET_TEBIOCTET_FACTOR: f64 = 1024.0 * 1024.0 * 1024.0 * 1024.0;
 /// let octets = file_size.as_octets();
 /// println!("There are {} octets in that file.", octets);
 /// ```
-#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 #[derive(Copy, Clone, Debug, Default)]
 pub struct Data {
     octets: f64,

src/density.rs

@@ -35,7 +35,7 @@ pub const LBCF_KGCM_FACTOR: f64 = 0.062427973725314;
 /// let ounces = (density * Volume::from_quarts(1.0)).as_ounces();
 /// println!("Answer is {} ounces per quart", ounces);
 /// ```
-#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 #[derive(Copy, Clone, Debug, Default)]
 pub struct Density {
     kilograms_per_cubic_meter: f64,

src/energy.rs

@@ -13,7 +13,7 @@ use super::measurement::*;
 /// let energy = Energy::from_kcalories(2500.0);
 /// println!("Some say a health adult male should consume {} per day", energy);
 /// ```
-#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 #[derive(Copy, Clone, Debug, Default)]
 pub struct Energy {
     joules: f64,

src/force.rs

@@ -28,7 +28,7 @@ pub const DYNES_PER_NEWTON: f64 = 1e5;
 ///     "One metric ton exerts a force of {} due to gravity",
 ///     force);
 /// ```
-#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
+#[cfg_attr(feature = "serde", derive(serde::Serialize, serde::Deserialize))]
 #[derive(Copy, Clone, Debug, Default)]
 pub struct Force {
     newtons: f64,