Revert "Remove getset (#567)"

This reverts commit 6b3c367.

Cargo.toml

@@ -47,6 +47,7 @@ pest = { version = "2", optional = true }
 pest_derive = { version = "2", optional = true }
 strum = ">= 0.16, < 0.26"
 strum_macros = ">= 0.16, < 0.26"
+getset = ">=0.0.9, <0.2"
 enum-map = ">=0.6.4, <3"
 triple_accel = ">=0.3, <0.5"
 thiserror = "1"

src/lib.rs

@@ -245,6 +245,9 @@ extern crate serde_derive;
 #[macro_use]
 extern crate strum_macros;
 
+#[macro_use]
+extern crate getset;
+
 #[cfg(feature = "phylogeny")]
 #[macro_use]
 extern crate pest_derive;

src/stats/bayesian/model.rs

@@ -54,7 +54,19 @@ pub trait Posterior {
 /// [here](https://github.com/varlociraptor/varlociraptor/blob/694e994547e8f523e5b0013fdf951b694f3870fa/src/model/modes/generic.rs#L200)
 /// for an example.
 #[derive(
-    Default, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash, Debug, Serialize, Deserialize,
+    Default,
+    Getters,
+    MutGetters,
+    Copy,
+    Clone,
+    Eq,
+    PartialEq,
+    Ord,
+    PartialOrd,
+    Hash,
+    Debug,
+    Serialize,
+    Deserialize,
 )]
 pub struct Model<L, Pr, Po, Payload = ()>
 where
@@ -63,8 +75,14 @@ where
     Po: Posterior,
     Payload: Default,
 {
+    #[get = "pub"]
+    #[get_mut = "pub"]
     likelihood: L,
+    #[get = "pub"]
+    #[get_mut = "pub"]
     prior: Pr,
+    #[get = "pub"]
+    #[get_mut = "pub"]
     posterior: Po,
     payload: PhantomData<Payload>,
 }
@@ -88,30 +106,6 @@ where
         }
     }
 
-    pub fn likelihood(&self) -> &L {
-        &self.likelihood
-    }
-
-    pub fn likelihood_mut(&mut self) -> &mut L {
-        &mut self.likelihood
-    }
-
-    pub fn prior(&self) -> &Pr {
-        &self.prior
-    }
-
-    pub fn prior_mut(&mut self) -> &mut Pr {
-        &mut self.prior
-    }
-
-    pub fn posterior(&self) -> &Po {
-        &self.posterior
-    }
-
-    pub fn posterior_mut(&mut self) -> &mut Po {
-        &mut self.posterior
-    }
-
     /// Calculate joint probability, i.e. `Pr(event) * Pr(data | event)`.
     fn joint_prob(&self, event: &Event, data: &Data, payload: &mut Payload) -> LogProb {
         self.prior.compute(event) + self.likelihood.compute(event, data, payload)