Re: counting characters

[John via Digitalmars-d-learn]

On Tuesday, 19 July 2016 at 09:34:11 UTC, celavek wrote:

Hi,

I am trying to count characters in a string like:

const string dna_chain = "AGCTTTTCATTCTGACTGCAACGGGCAATATGTCTCTGTGTGGATTAAAAAAAGAGTGTCTGATAGCAGC";

counts['A'] = countchars!(dna_chain, 'A');

countchars(dna_chain, "A");