diff options
Diffstat (limited to 'lib/pure/romans.nim')
| -rw-r--r-- | lib/pure/romans.nim | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/pure/romans.nim b/lib/pure/romans.nim index 0c182843a..18c04ef58 100644 --- a/lib/pure/romans.nim +++ b/lib/pure/romans.nim @@ -11,7 +11,7 @@ ## See http://en.wikipedia.org/wiki/Roman_numerals for reference. const - RomanNumeralDigits* = {'I', 'i', 'V', 'v', 'X', 'x', 'L', 'l', 'C', 'c', + RomanNumeralDigits* = {'I', 'i', 'V', 'v', 'X', 'x', 'L', 'l', 'C', 'c', 'D', 'd', 'M', 'm'} ## set of all characters a Roman numeral may consist of proc romanToDecimal*(romanVal: string): int = @@ -28,7 +28,7 @@ proc romanToDecimal*(romanVal: string): int = of 'C', 'c': val = 100 of 'D', 'd': val = 500 of 'M', 'm': val = 1000 - else: + else: raise newException(EInvalidValue, "invalid roman numeral: " & $romanVal) if val >= prevVal: inc(result, val) |