counting characters
celavek via Digitalmars-d-learn
digitalmars-d-learn at puremagic.com
Tue Jul 19 02:34:11 PDT 2016
Hi,
I am trying to count characters in a string like:
const string dna_chain =
"AGCTTTTCATTCTGACTGCAACGGGCAATATGTCTCTGTGTGGATTAAAAAAAGAGTGTCTGATAGCAGC";
counts['A'] = countchars!(dna_chain, 'A');
But I get a compilation error:
template instance countchars!(dna_chain, "C") does not match
template declaration countchars(S, S1)(S s, in S1 pattern) if
(isSomeString!S && isSomeString!S1)
I cannot figure out why I do get the error. It completely eludes
me. The documentation of countchars is minimal and it lacks
examples.
Could someone enlighten me?
dmd version:
DMD64 D Compiler v2.071.1
Thanks
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