Function GetFloat

parser.go:1973–1988

GetFloat returns the value retrieved by `Get`, cast to a float64 if possible. The offset is the same as in `Get`. If key data type do not match, it will return an error. SYS-REQ-004

(data []byte, keys ...string)

// If key data type do not match, it will return an error.
// SYS-REQ-004
func GetFloat(data []byte, keys ...string) (val float64, err error) {
	v, t, _, e := Get(data, keys...)

	if e != nil {
		return 0, e
	}

	if t != Number {
		if t == Null {
			return 0, NullValueError
		}
		return 0, fmt.Errorf("Value is not a number: %s", string(v))
	}

	return ParseFloat(v)
}

// GetInt returns the value retrieved by `Get`, cast to a int64 if possible.
// If key data type do not match, it will return an error.