Contents

open Core

module CMap = Char.Map

let count s c =
    let f n c' = if c = c' then n + 1 else n in
    String.fold ~init:0 ~f s

let nucleotide_counts s =
    let f m c = CMap.change m c ~f:(function None -> Some 1 | Some n -> Some (n + 1)) in
    String.fold ~init:CMap.empty ~f s

Version data entries

151 entries across 151 versions & 1 rubygems

Version	Path
trackler-2.2.1.90	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.89	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.88	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.87	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.86	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.85	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.84	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.83	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.82	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.81	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.80	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.79	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.78	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.77	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.76	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.75	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.74	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.73	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.72	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.71	tracks/ocaml/exercises/nucleotide-count/example.ml