- 
				           		我们可以指定契约验证,可在编译时(静态)或在运行时(动态)执行校验。
						        					            	 Contract validation can be specified to be executed statically at build time or dynamically at runtime.
								    										 
								    				            	 youdao 
- 
				           		我们可以指定契约验证,可在编译时(静态)或在运行时(动态)执行校验。
						        					            	 Contract validation can be specified to be executed statically at build time or dynamically at runtime.
								    										 
								    				            	 youdao