Compile Time Changes

// Class: cm.props.variant.expr.VxMemberAccess
Old: public class VxMemberAccess extends VxExpr
New: public class VxMemberAccess extends VxExpr : abstract

Removed: public VxExpr sem(VxEnv env)
Removed: public void emit(StrBuf buf, VxRuntime rt, bool expr)

// Package: cm.props.variant.test
Removed: public void test_variant_table()

// Package: cm.props.variant
Removed: public class VariantsLazySpan extends Variants