Stops returning an option in the internal searchable fields

milli/src/fieldids_weights_map.rs

@@ -0,0 +1,28 @@
+use std::collections::HashMap;
+
+use serde::{Deserialize, Serialize};
+
+use crate::{FieldId, Weight};
+
+#[derive(Debug, Default, Serialize, Deserialize)]
+pub struct FieldidsWeightsMap {
+    map: HashMap<FieldId, Weight>,
+}
+
+impl FieldidsWeightsMap {
+    pub fn insert(&mut self, fid: FieldId, weight: Weight) -> Option<Weight> {
+        self.map.insert(fid, weight)
+    }
+
+    pub fn remove(&mut self, fid: FieldId) -> Option<Weight> {
+        self.map.remove(&fid)
+    }
+
+    pub fn weight(&self, fid: FieldId) -> Option<Weight> {
+        self.map.get(&fid).copied()
+    }
+
+    pub fn max_weight(&self) -> Option<Weight> {
+        self.map.values().copied().max()
+    }
+}