makeFile() { string userFile; cout << "To create a file, enter a filename (i.e.. file.txt): "; cin >> userFile; cout << endl; cout << endl; cout << endl; ofstream File; File.open(userFile); string input; cout << "...
在Bash Shell中,可以使用复合条件来在一个if语句中检查多个条件。复合条件主要有两种形式:逻辑与(&&)和逻辑或(||)。 1. 逻辑与(&&): - 概念:逻辑与用于同时检查多个条件...
var isDiskMounted = true fun createNewFile(file: File?): Boolean { return if (isDiskMounted) { if (file != null) { file.createNewFile() if (file.exists()) { true } else { println("Create file($file) failed") false } } else { println("File($file) is null") false } } else ...
CREATE TABLE IF NOT EXISTS checksums ( db char(64) NOT NULL, tbl char(64) NOT NULL, chunk int NOT NULL, chunk_time float NULL, chunk_index varchar(200) NULL, lower_boundary text NULL, upper_boundary text NULL, this_crc char(40) NOT NULL, this_cnt int NOT NULL, master_crc char(4...
fun makeFile(path: String) { val file = File(path) file.createNewFile() assert(file.exists()) { "make File($file) failed" } } 使用顺序 先使用check检测对象的状态 再使用require检测方法的参数合法性 执行操作后,使用assert校验结果 关于lazyMessage ...
You can also detect symbols like __WIN32__ to detect if you are in a Windows build environment. Some compilers will define __unix__ or __APPLE__ if your build environment is of that variety.Or for gcc you can use something like this:...
funmakeFile(path:String){valfile=File(path)file.createNewFile()assert(file.exists()){"make File($file) failed"}} 使用顺序 先使用check检测对象的状态 再使用require检测方法的参数合法性 执行操作后,使用assert校验结果 关于lazyMessage lazyMessage 可以允许我们提供更详细的错误辅助信息 ...
if (libbpf_version) printf(", libbpf %s", libbpf_version); printf("\n"); exit(0); } else if (matches(opt, "-force") == 0) { ++force; 2 changes: 1 addition & 1 deletion 2 lib/Makefile Original file line numberDiff line numberDiff line change @@ -5,7 +5,7 @@ CFLAGS ...
fallthroughcasev1.HostPathDirectory:if!ftc.IsDir() {returnfmt.Errorf("hostPath type check failed: %s is not a directory", ftc.GetPath()) }casev1.HostPathFileOrCreate:if!ftc.Exists() {returnftc.MakeFile() } fallthroughcasev1.HostPathFile:if!ftc.IsFile() {returnfmt.Errorf("hostPath typ...
The index and the working tree are adjusted as if you had previously run "git checkout <start_point>". This allows you to start a new history that records a set of paths similar to <start_point> by easily running "git commit -a" to make the root commit. ...