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");