public static long parseLong( String buffer, int from, int to ) {
        return CharScanner.parseLong( FastStringUtils.toCharArray(buffer), from , to );
    }
public static long parseLong( String buffer, int from, int to ) {
        return CharScanner.parseLong( FastStringUtils.toCharArray(buffer), from , to );
    }
public static long parseLong ( String buffer , int from , int to ) { return CharScanner . parseLong ( FastStringUtils . toCharArray ( buffer ) , from , to ) ; }
parse an long within a range
@param buffer input string
@return value
parse an long within a range