Anadromes: Difference between revisions

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=={{header|Nim}}==

<syntaxhighlight lang="Nim">import std/[sets, strutils]

func reversed(s: string): string =

## Return the reverse of a string.

## Works only for ASCII strings.

result.setLen(s.len)

for i in 1..s.len:

result[i - 1] = s[^i]

var wordSet: OrderedSet[string]

for word in lines("words.txt"):

if word.len > 6:

wordSet.incl word

for word in wordSet:

let rev = reversed(word)

if rev > word and rev in wordSet:

echo word.alignLeft(12), rev

</syntaxhighlight>

{{out}}

<pre>amaroid diorama

degener reneged

deifier reified

deliver reviled

dessert tressed

desserts stressed

deviler relived

dioramas samaroid

gateman nametag

leveler relevel

pat-pat tap-tap

redrawer rewarder

reknits stinker

relever reveler

reliver reviler

revotes setover

sallets stellas