June 2018 Update

Task/Nth/Julia/nth-1.julia

@@ -1,12 +1,12 @@
-function sprintfordinal{T<:Integer}(n::T)
-    const sfixes = ["st", "nd", "rd"]
-    0 <= n || throw(ArgumentError("number to be formatted must be ≥ 0, got $n"))
-    u = n%10
-    t = div(n, 10)%10
-    if 3 < u || u == 0 || t == 1
-        sf = "th"
+function ordinal(n::Integer)
+    n < 0 && throw(DomainError())
+    suffixes = ("st", "nd", "rd")
+    u = n % 10
+    t = n ÷ 10 % 10
+    if u > 3 || u == 0 || t == 1
+        suf = "th"
     else
-        sf = sfixes[u]
+        suf = suffixes[u]
     end
-    @sprintf "%d%s" n sf
+    return string(n, suf)
 end

Task/Nth/Julia/nth-2.julia

@@ -1,24 +1,17 @@
 println("Tests of ordinal formatting of integers.")
 for (i, n) in enumerate(0:25)
-    if (i-1)%10 == 0
-        print("\n   ")
-    end
-    print(@sprintf("%7s", sprintfordinal(n)))
+    (i - 1) % 10 == 0 && println()
+    @printf("%7s", ordinal(n))
 end
-println()
 
+println()
 for (i, n) in enumerate(250:265)
-    if (i-1)%10 == 0
-        print("\n   ")
-    end
-    print(@sprintf("%7s", sprintfordinal(n)))
+    (i - 1) % 10 == 0 && println()
+    @printf("%7s", ordinal(n))
 end
-println()
 
-for (i, n) in enumerate(1000:1025)
-    if (i-1)%10 == 0
-        print("\n   ")
-    end
-    print(@sprintf("%7s", sprintfordinal(n)))
-end
 println()
+for (i, n) in enumerate(1000:1025)
+    (i - 1) % 10 == 0 && println()
+    @printf("%7s", ordinal(n))
+end