Added some more find functions

moslice/find.go

@@ -20,6 +20,16 @@ func FirstWhere[T any](ts []T, predicate func(t T) bool) T {
 	return zeroT
 }
 
+// FirstIndexWhere returns the index of the first element in the slice that satisfies the predicate. An empty slice will return -1
+func FirstIndexWhere[T any](ts []T, predicate func(t T) bool) int {
+	for i, t := range ts {
+		if predicate(t) {
+			return i
+		}
+	}
+	return -1
+}
+
 func FindWhere[T any](ts []T, predicate func(t T) bool) (T, bool) {
 	var zeroT T
 
@@ -41,3 +51,26 @@ func FindWithIndexWhere[T any](ts []T, predicate func(t T) bool) (T, int, bool)
 	}
 	return zeroT, 0, false
 }
+
+// AnyWhere returns true if any element in the slice satisfies the predicate. An empty slice will return false
+func AnyWhere[T any](ts []T, predicate func(t T) bool) bool {
+	for _, t := range ts {
+		if predicate(t) {
+			return true
+		}
+	}
+	return false
+}
+
+// AllWhere returns true if all the element in the slice satisfies the predicate. An empty slice will return false
+func AllWhere[T any](ts []T, predicate func(t T) bool) bool {
+	if len(ts) == 0 {
+		return false
+	}
+	for _, t := range ts {
+		if !predicate(t) {
+			return false
+		}
+	}
+	return true
+}