mc root source folder cleanup

mc/util/utils.go

@@ -0,0 +1,42 @@
+package util
+
+import (
+	"cmp"
+	"maps"
+	"slices"
+)
+
+func OrderedKeys[Map map[K]V, K cmp.Ordered, V any](m Map) []K {
+	keysIter := maps.Keys(m)
+	keys := slices.Collect(keysIter)
+	slices.Sort(keys)
+	return keys
+}
+
+func AssertAndConvertMapValues[T any, M map[K]any, K cmp.Ordered](m M) map[K]T {
+	ret := map[K]T{}
+	for k, v := range m {
+		ret[k] = v.(T)
+	}
+	return ret
+}
+
+func ReverseMap[M map[K]V, K cmp.Ordered, V cmp.Ordered](m M) map[V]K {
+	ret := map[V]K{}
+	for k, v := range m {
+		ret[v] = k
+	}
+	return ret
+}
+
+func PopFront[T any](s []T) (T, []T, bool) {
+	if len(s) == 0 {
+		var zero T
+		return zero, s, false
+	}
+	return s[0], s[1:], true
+}
+
+func CombineNamAndData(name string, data any) []any {
+	return []any{name, data}
+}