深入探索 省略 begin 和 end Catch…Throw 深入探索 省略 begin 和 end 在方法,类或模块中捕获异常时,你可以选择省略 begin 和 end 。例如,以下所有内容都是合法的: omit_begin_end.rb def calc result = 1 / 0 rescue...
next next You can use next to try to execute the next iteration of a while loop. After executing next , the while ‘s condition is checked and, if truthy, the body will be exec...
next next You can use next to try to execute the next iteration of a while loop. After executing next , the while ‘s condition is checked and, if truthy, the body will be exec...
next next You can use next to try to execute the next iteration of a while loop. After executing next , the while ‘s condition is checked and, if truthy, the body will be exec...
next next You can use next to try to execute the next iteration of a while loop. After executing next , the while ‘s condition is checked and, if truthy, the body will be exec...
Type restrictions Restrictions from instance variables self restriction Classes as restrictions Type restrictions in splats Free variables Splat type restrictions Type res...
Type restrictions Restrictions from instance variables self restriction Classes as restrictions Type restrictions in splats Free variables Splat type restrictions Type res...