func vendor/golang.org/x/crypto/chacha20poly1305.NewX

one use

	vendor/golang.org/x/crypto/chacha20poly1305 (current package)
		xchacha20poly1305.go#L24: func NewX(key []byte) (cipher.AEAD, error) {

The pages are generated with Golds v0.4.9. (GOOS=linux GOARCH=amd64)