fn resolveFromParent(io: Io, dir_path: []const u8, file_name: []const u8) ?Io.File
io: Io
dir_path: []const u8
file_name: []const u8
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fn resolveFromParent(io: Io, dir_path: []const u8, file_name: []const u8) ?Io.File { var dir = Io.Dir.cwd().openDir(io, dir_path, .{}) catch return null; defer dir.close(io); return dir.openFile(io, file_name, .{}) catch null; }