Bytes tries to convert an interface to a []bytes value; if cant it returns an err.

Float32 tries to convert an interface to a float32 value; if cant it returns an err.

Float64 tries to convert an interface to a float64 value; if cant it returns an err.

Int tries to convert an interface to a int value; if cant it returns an err.

JSON tries to unmarshal an interface to a json value; if cant it returns an err.

String tries to convert an interface to a string value; if cant it returns an err.