commit https://github.com/vim/vim/commit/8b1862a31639becadcbbca5dc2eaa92db73e8e5f Author: Bram Moolenaar <Bram@vim.org> Date: Sat Feb 27 19:21:24 2016 +0100 patch 7.4.1435 Problem: It is confusing that ch_sendexpr() and ch_sendraw() wait for a response. Solution: Add ch_evalexpr() and ch_evalraw().

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}\")