Nucleotide Count

Ringkasan Tantangan

Given a DNA string, compute how many times each nucleotide occurs in the string.

Visit the nucleotide-count exercise on Exercism to read the full instructions and download the exercise files.

Community Solutions

Lihat Solusi Komunitas

The following are the top 3 community solutions by stars:

Solution 1 by @fsalvini (⭐ 7) — View on Exercism
Solution 2 by @gohermgo (⭐ 1) — View on Exercism
Solution 3 by @yurrriq (⭐ 1) — View on Exercism

Source: Exercism ocaml/nucleotide-count

💡 Lihat Solusi

open Base

let is_nucl = function
  | 'A' | 'C' | 'G' | 'T' -> true
  | _ -> false

let empty = Map.empty (module Char)

let count_nucleotide s c =
  match String.find s ~f:(Fn.non is_nucl) with