This commit adds some unit tests for `std.fs.File.readAllAlloc` function. It also updates the docs of `Reader.readNoEof` which were outdated, and swaps `inStream()` for `reader()` in `File.readAllAlloc` with the former being deprecated.
This commit adds some unit tests for `std.fs.File.readAllAlloc` function. It also updates the docs of `Reader.readNoEof` which were outdated, and swaps `inStream()` for `reader()` in `File.readAllAlloc` with the former being deprecated.