add Int64Component

internal/block/int64_component/validators/max.go

@@ -0,0 +1,21 @@
+package int64_component_validators
+
+import (
+	"blocky/internal/block/int64_component"
+	"fmt"
+)
+
+func Max(max int64) int64_component.Int64ComponentOption {
+	return func(c *int64_component.Int64ComponentConfig) {
+		c.Validators = append(c.Validators, func(value any) error {
+			s, ok := value.(int64)
+			if !ok {
+				return fmt.Errorf("provided value bust be an int: %v", value)
+			}
+			if s > max {
+				return fmt.Errorf("int must be %d or less", max)
+			}
+			return nil
+		})
+	}
+}