build the tables

Author: molpopgen

examples/json_metadata.rs

@@ -1,3 +1,57 @@
+#[derive(serde::Serialize, serde::Deserialize, tskit::metadata::MutationMetadata)]
+#[serializer("serde_json")]
+struct MutationMetadata {
+    effect_size: f64,
+    dominance: f64,
+}
+
+#[derive(serde::Serialize, serde::Deserialize, tskit::metadata::IndividualMetadata)]
+#[serializer("serde_json")]
+struct IndividualMetadata {
+    name: String,
+    phenotypes: Vec<i32>,
+}
+
 fn main() {
-    todo!()
+    let ts = make_treeseq();
+    ts.dump("with_json_metadata.trees", 0).unwrap();
+}
+
+fn make_tables() -> tskit::TableCollection {
+    let mut tables = tskit::TableCollection::new(100.0).unwrap();
+    let pop0 = tables.add_population().unwrap();
+    let ind0 = tables
+        .add_individual_with_metadata(
+            0,
+            None,
+            None,
+            &IndividualMetadata {
+                name: "Jerome".to_string(),
+                phenotypes: vec![0, 1, 2, 0],
+            },
+        )
+        .unwrap();
+    let node0 = tables
+        .add_node(tskit::NodeFlags::new_sample(), 0.0, pop0, ind0)
+        .unwrap();
+    let site0 = tables.add_site(50.0, Some("A".as_bytes())).unwrap();
+    let _ = tables
+        .add_mutation_with_metadata(
+            site0,
+            node0,
+            tskit::MutationId::NULL,
+            1.0,
+            Some("G".as_bytes()),
+            &MutationMetadata {
+                effect_size: -1e-3,
+                dominance: 0.1,
+            },
+        )
+        .unwrap();
+    tables.build_index().unwrap();
+    tables
+}
+
+fn make_treeseq() -> tskit::TreeSequence {
+    make_tables().tree_sequence(0).unwrap()
 }