func (f *Flags) DumpAST(b bool) {
	if b {
		f.flags |= MaskDumpAST
	} else {
		f.flags &= ^MaskDumpAST
	}
}
func (f *Flags) DumpAST(b bool) {
	if b {
		f.flags |= MaskDumpAST
	} else {
		f.flags &= ^MaskDumpAST
	}
}
func ( f * Flags ) DumpAST ( b bool ) { if b { f . flags |= MaskDumpAST } else { f . flags &= ^ MaskDumpAST } }
// DumpAST sets the bitmask for DumpAST debug flag
DumpAST sets the bitmask for DumpAST debug flag