panic: parse

goroutine 1 [running]:
main.(*Parser).expect(...)
	/tmp/cf-worker-2300430098/verifierG.go:47
main.(*Parser).parseFunction(0x4000135750?)
	/tmp/cf-worker-2300430098/verifierG.go:53 +0x1e4
main.solveG({0x400013c030?, 0x24})
	/tmp/cf-worker-2300430098/verifierG.go:221 +0x1cc
main.main()
	/tmp/cf-worker-2300430098/verifierG.go:291 +0x218