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@ToJans
Last active April 30, 2018 14:44
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Anagram in golang vs anagram in elixir-lang ; am I missing something obvious here?
using System.IO;
using System;
using System.Linq;
public class Anagram
{
// I am aware about, but have no intention on using
// `string.Equals(a, b, StringComparison.OrdinalIgnoreCase)`
// as that is longer
public static string[] Detect(string subject, string[] Candidates)
{
return Candidates
.Where(x => subject.ToLower() != x.ToLower()
&& Normalize(subject) == Normalize(x))
.ToArray();
}
static string Normalize(string input) {
var chars = input.ToLower().ToCharArray();
Array.Sort(chars);
return new string(chars);
}
}
defmodule Anagram do
def match(subject, candidates) do
candidates
|> Enum.filter(fn x -> normalize_word(subject) == normalize_word(x) end)
|> Enum.filter(fn x -> String.downcase(subject) != String.downcase(x)end)
end
defp normalize_word(word) do
word |> String.downcase |> String.codepoints |> Enum.sort
end
end
package anagram
import (
"sort"
"strings"
)
func Detect(subject string, candidates []string) []string {
result := []string{}
for _, candidate := range candidates {
if normalize(subject) == normalize(candidate) &&
strings.ToLower(subject) != strings.ToLower(candidate) {
result = append(result, strings.ToLower(candidate))
}
}
return result
}
func normalize(subject string) string {
runes := []string{}
for _, Rune := range subject {
runes = append(runes, strings.ToLower(string(Rune)))
}
sort.Strings(runes)
return strings.Join(runes, "")
}
import Data.List (sort)
import Data.Char (toUpper)
anagram :: [Char] -> [[Char]] -> [[Char]]
anagram s cs =
let upCase = map toUpper
normalize = sort . upCase
is_anagram x = normalize s == normalize x && upCase s /= upCase x
in filter is_anagram cs
@dimroc
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dimroc commented Mar 7, 2014

By chance, can we get perf numbers on these?

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