func mustSanityCheck(fn *Function, reporter io.Writer) {
	if !sanityCheck(fn, reporter) {
		fn.WriteTo(os.Stderr)
		panic("SanityCheck failed")
	}
}
func mustSanityCheck(fn *Function, reporter io.Writer) {
	if !sanityCheck(fn, reporter) {
		fn.WriteTo(os.Stderr)
		panic("SanityCheck failed")
	}
}
func mustSanityCheck ( fn * Function , reporter io . Writer ) { if ! sanityCheck ( fn , reporter ) { fn . WriteTo ( os . Stderr ) panic ( " " ) } }
// mustSanityCheck is like sanityCheck but panics instead of returning
// a negative result.
//
mustSanityCheck is like sanityCheck but panics instead of returning a negative result .