/++ dub.sdl: name "test" dependency "vibe-core" path=".." +/ module test; import vibe.core.file; void main() { auto f = openFile("test.dat", FileMode.createTrunc); assert(f.size == 0); f.write([1, 2, 3, 4, 5]); assert(f.size == 5); f.seek(0); f.write([1, 2, 3, 4, 5]); assert(f.size == 5); f.write([6, 7, 8, 9, 10]); assert(f.size == 10); ubyte[5] dst; f.seek(2); f.read(dst); assert(dst[] == [3, 4, 5, 6, 7]); }