Create util.go

MarkRosemaker · Nov 20, 2024 · efa4253 · efa4253
1 parent c1c14b2
commit efa4253
Showing 1 changed file with 23 additions and 0 deletions.
diff --git a/util.go b/util.go
@@ -0,0 +1,23 @@
+package openapi
+
+func setToMap[M ~map[K]V, K comparable, V any](
+	m *M, key K, v V,
+	getIndex func(V) int,
+	setIndex func(V, int),
+) {
+	if *m == nil {
+		setIndex(v, 1)
+		*m = M{key: v}
+		return
+	}
+
+	highestIdx := 0
+	for _, v := range *m {
+		if idx := getIndex(v); idx > highestIdx {
+			highestIdx = idx
+		}
+	}
+
+	setIndex(v, highestIdx+1)
+	(*m)[key] = v
+}