Read a file from disk and store it in memory.
Owns a (rmem-managed) file buffer.
See Source File root/file.d Documentation: https://dlang.org/phobos/dmd_root_file.html Coverage: https://codecov.io/gh/dlang/dmd/src/master/src/dmd/root/file.d
Walter Bright, http://www.digitalmars.com
Copyright (C) 1999-2020 by The D Language Foundation, All Rights Reserved
Boost License 1.0
Read a file from disk and store it in memory.