counting characters

John via Digitalmars-d-learn digitalmars-d-learn at puremagic.com
Tue Jul 19 02:41:32 PDT 2016


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");


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