DrunkenAlcoholic

import strutils

proc isIsogram*(s: string): bool =
  result = true

  for ch in s.toLowerAscii:
    if ch in Letters:
      if count(s.toLowerAscii, ch) >= 2: return false

DrunkenAlcoholic

import strutils

proc abbreviate*(s: string): string =
  var str = s.replace(" -", " ")
  str = str.replace("_")
  str = str.replace("-", " ")
  str = str.replace("  ", " ")
  
  for word in str.split(" "):
    result &= word[0].toUpperAscii

DrunkenAlcoholic

proc distance*(a, b: string): int =
  if a.len != b.len:       
    raise (ref ValueError)(msg: "out of bounds")
  else:
    for i in low(a)..high(a):
      if a[i] != b[i]: inc(result)      

DrunkenAlcoholic

proc sum*(limit: int, factors: openArray[int]): int =
  for i in 0..<limit:
    for num in factors:
      if num != 0 and i mod num == 0:
        result += i
        break

DrunkenAlcoholic

type
  Allergen* = enum
    Eggs, Peanuts, Shellfish, Strawberries, Tomatoes, Chocolate, Pollen, Cats
        
proc isAllergicTo*(score: int, allergen: Allergen): bool =
  let allergenScore = 1 shl ord(allergen)
  return (score and allergenScore) != 0
        
proc allergies*(score: int): set[Allergen] =
  result = {}

DrunkenAlcoholic

import strutils, unicode

proc hey*(s: string): string =

  if s == s.toUpperAscii and contains(s, Letters.set) and s[^1] == '?': 
    return "Calm down, I know what I'm doing!"
  elif s == s.toUpperAscii and contains(s, Letters.set): 
    return "Whoa, chill out!"
  elif not contains(s, {'A'..'Z', 'a'..'z', '0'..'9', '?'}) or s == nil: 
    return "Fine. Be that way!"

DrunkenAlcoholic

proc isLeapYear*(year: int): bool =
  if year mod 100 == 0: result = year mod 400 == 0
  else: result = year mod 4 == 0

DrunkenAlcoholic

import strutils
proc score*(word: string): int =

  for char in word.toUpperAscii:
   case char
    of 'A', 'E', 'I', 'O', 'U', 'L', 'N', 'R', 'S', 'T': inc(result)
    of 'D', 'G': inc(result, 2)
    of 'B', 'C', 'M', 'P': inc(result, 3)
    of 'F', 'H', 'V', 'W', 'Y': inc(result, 4)
    of 'K': inc(result,5)

DrunkenAlcoholic

proc twoFer*(name = ""): string =

  if name.len > 0: return "One for " & name & ", one for me."      
  else: return "One for you, one for me."

DrunkenAlcoholic

import strutils
             
proc isPangram*(s: string): bool =
  for char in 'a'..'z':
    if not contains(s.toLowerAscii, char): return false
    else: result = true