Function extract 

pub fn extract(raw: &str, decimals: usize) -> Result<Decimal, OverpunchError>

Returns a Decimal parsed from an appropriate signed overpunch respresentation.

Arguments

• value - The signed overpunch representation.
• decimals - The number of digits following the decimal point that this value has.

Example

let number = extract("2258{", 2).unwrap();
assert_eq!(number, Decimal::from_str_exact("225.8").unwrap());