不到30行代码,有5层嵌套的if语句?避免陷入“if-else地狱”!

asyncfunctionassignDriver(rider,availableDrivers){constdriverDistances=awaitcalculateDistances(rider.location,availableDrivers);letassignedDriver=null;for(letdriverofavailableDrivers){if(driverDistances[driver.id]<=5){if(!rider.preferredVehicle||rider.preferredVehicle===driver.vehicle){if(driv...

不到30行代码,有5层嵌套的if语句?避免陷入“if-else地狱”!_腾讯...

==driver.vehicle){continue;}if(driver.rating>=4.5){if(rider.preferences.includes('PremiumDriver')){if(driver.isPremiumDriver){assignedDriver=driver;break;}else{continue;}}else{assignedDriver=driver;break;}}elseif(driver.rating>=4.0...

不到30行代码,有5层嵌套的if语句?避免陷入“if-else地狱”!_腾讯...

==driver.vehicle){continue;}if(driver.rating>=4.5){if(rider.preferences.includes('PremiumDriver')){if(driver.isPremiumDriver){assignedDriver=driver;break;}else{continue;}}else{assignedDriver=driver;break;}}elseif(driver.rating>=4.0...

1.5w字,30图带你彻底掌握 AQS!

finalbooleannonfairTryAcquire(intacquires){finalThreadcurrent=Thread.currentThread();intc=getState();if(c==0){//如果c等于0,表示此时资源是空闲的(即锁是释放的),再用CAS获取锁if(compareAndSetState(0,acquires)){setExclusiveOwnerThread(current);returntrue;}}elseif(curren...

提高PHP 代码质量的 36 计

define('ENVIRONMENT','production');if(!$db->query($query){if(ENVIRONMENT=='development'){echo"$queryfailed";}else{echo"Databaseerror.Pleasecontactadministrator";}}4.使用可跨平台的函数执行命令system,exec,passthru,shell_exec这4个函数可用于执行系统命令。每个的行为都有...

丢三落四星人必备 蓝牙防丢器制作教程(包括手机应用)

}else{nextOperation();}这时候有些同学可能要吐槽楼主了“你上面发送、请求、接着、然后说的挺轻巧,我怎么知道我发送完Inte想解答大家的这些问题还得看上面代码:其中第4行startActIvityForResult会启动一个系统PreferenceActivity并将ACTION_REQUEST_ENABLE静态常量作为其动作字符串,得到的PreferenceActivity如下...