Is Zig's New Writer Unsafe?
Is Zig's New Writer Unsafe? If we wanted to write a function that takes one of Zig's new *std.Io.Reader and write it to stdout, we might start with something like: fn output ( r : * std . Io . Reader ) ! void { const stdout = std . fs . File . stdout ( ) ; var buffer : [ ? ? ? ] u8 = undefined ; var writer = stdout . writer ( & buffer ) ; _ = try r . stream ( & writer . interface , . unlimited ) ; try writer . interface . flush ( ) ; } But what should the size of buffer be? If this was a one-