Ruby

"ruby -e STDOUT.write" outputs "#<IO:0x583a2de0>" (without quotes)

"ruby -rstringio -e 'p StringIO.new.write'" shows zero bytes written

The following restores <= 2.4 behavior for IO#write, but other things (StringIO,
OpenSSL, ...) need to be modified, too:

diff --git a/io.c b/io.c index eeaf0c021c..0d95d12a9b 100644 --- a/io.c +++ b/io.c @@ -1675,7 +1675,10 @@ io_writev(int argc, VALUE *argv, VALUE io) static VALUE io_write_m(int argc, VALUE *argv, VALUE io) { - if (argc > 1) { + if (argc <= 0) { +	rb_error_arity(argc, 1, UNLIMITED_ARGUMENTS); + } + else if (argc > 1) { 	return io_writev(argc, argv, io); } else { 

Opinions? Should we raise or just return 0 when no args are given?