Uopz 函数
 Table of Contents
 
-  uopz_backup — Backup a function
-  uopz_compose — Compose a class
-  uopz_copy — Copy a function
-  uopz_delete — Delete a function
-  uopz_extend — Extend a class at runtime
-  uopz_flags — Get or set flags on function or class
-  uopz_function — Creates a function at runtime
-  uopz_implement — Implements an interface at runtime
-  uopz_overload — Overload a VM opcode
-  uopz_redefine — Redefine a constant
-  uopz_rename — Rename a function at runtime
-  uopz_restore — Restore a previously backed up function
-  uopz_undefine — Undefine a constant