Wordle comparison: Difference between revisions

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 ROBIN v ROBIN => [2, 2, 2, 2, 2] => ["green", "green", "green", "green", "green"]
 </pre>
+=={{header|Nim}}==
+{{trans|Wren}}
+<syntaxhighlight lang="Nim">import std/[strformat, strutils]
+type Color {.pure.} = enum Grey = "grey", Yellow = "yellow", Green = "green"
+proc wordle(answer, guess: string): seq[Color] =
+  let n = guess.len
+  if answer.len != n:
+    quit "The words must be of the same length.", QuitFailure
+  var answer = answer
+  result.setLen(n)
+  for i in 0..<n:
+    if guess[i] == answer[i]:
+      answer[i] = '\0'
+      result[i] = Green
+  for i in 0..<n:
+    let ix = answer.find(guess[i])
+    if ix >= 0:
+      answer[ix] = '\0'
+      result[i] = Yellow
+const Pairs = [["ALLOW", "LOLLY"],
+               ["BULLY", "LOLLY"],
+               ["ROBIN", "ALERT"],
+               ["ROBIN", "SONIC"],
+               ["ROBIN", "ROBIN"]]
+for pair in Pairs:
+  let res  = wordle(pair[0], pair[1])
+  echo &"""{pair[0]} v {pair[1]} → ({res.join(", ")})"""
+</syntaxhighlight>
+{{out}}
+<pre>ALLOW v LOLLY → (yellow, yellow, green, grey, grey)
+BULLY v LOLLY → (grey, grey, green, green, green)
+ROBIN v ALERT → (grey, grey, grey, yellow, grey)
+ROBIN v SONIC → (grey, green, yellow, green, grey)
+ROBIN v ROBIN → (green, green, green, green, green)</pre>
 =={{header|Perl}}==