commit https://github.com/vim/vim/commit/6f3a544228c1faf92211cbaf8bbedb1dff883f90 Author: Bram Moolenaar <Bram@vim.org> Date: Sat Feb 20 19:56:13 2016 +0100 patch 7.4.1372 Problem: channel read implementation is incomplete. Solution: Add ch_read() and options for ch_readraw().

TYPEMAP
VIWIN	T_VIOBJNOMUNGE
VIBUF	T_VIOBJNOMUNGE

INPUT
T_VIOBJNOMUNGE
	if (sv_isa($arg, \"${ntype}\")) {
	    IV tmp = SvIV((SV*)SvRV($arg));
	    $var = INT2PTR($type, tmp);
	    if (!tmp)
		croak(\"$ntype no longer exists\");
	}
	else
	    croak(\"$var is not of type ${ntype}\")