Contents

open Core_kernel

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

68 entries across 68 versions & 1 rubygems

Version	Path
trackler-2.2.1.159	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.158	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.157	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.156	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.155	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.154	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.153	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.152	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.151	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.150	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.149	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.148	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.147	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.146	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.145	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.144	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.143	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.142	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.141	tracks/ocaml/exercises/nucleotide-count/example.ml
trackler-2.2.1.140	tracks/ocaml/exercises/nucleotide-count/example.ml