pub fn f64_value(&self) -> f64 {
        match *self {
            Value::F64(ref value) => *value,
            _ => panic!("This is not a f64 field."),
        }
    }
/// Returns the f64-value, provided the value is of the `F64` type.
///
/// # Panics
/// If the value is not of type `F64`
Returns the f64-value, provided the value is of the `F64` type.
Returns the f64 - value provided the value is of the ` F64 ` type .
pub fn f64_value(&self) -> f64 {
        match *self {
            Value::F64(ref value) => *value,
            _ => panic!("This is not a f64 field."),
        }
    }
pub fn f64_value ( & self ) -> f64 { match * self { Value :: F64 ( ref value ) => * value , _ => panic ! ( " " ) , } }
Returns the f64-value, provided the value is of the `F64` type.
Returns the f64 - value provided the value is of the ` F64 ` type .
&self
&self
panics
If the value is not of type `F64`
If the value is not of type ` F64 `