patch 8.2.0559: clearing a struct is verbose Commit: https://github.com/vim/vim/commit/a80faa8930ed5a554beeb2727762538873135e83 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Apr 12 19:37:17 2020 +0200 patch 8.2.0559: clearing a struct is verbose Problem: Clearing a struct is verbose. Solution: Define and use CLEAR_FIELD() and CLEAR_POINTER().

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}\")