Add solved exercises

1 files changed, 19 insertions, 0 deletions

diff --git a/go/nucleotide-count/nucleotide_count.go b/go/nucleotide-count/nucleotide_count.go
new file mode 100644
index 0000000..1fb532c
--- /dev/null
+++ b/go/nucleotide-count/nucleotide_count.go
@@ -0,0 +1,19 @@
+package dna
+
+// Histogram is a mapping from nucleotide to its count in given DNA.
+// Choose a suitable data type.
+type Histogram
+
+// DNA is a list of nucleotides. Choose a suitable data type.
+type DNA
+
+// Counts generates a histogram of valid nucleotides in the given DNA.
+// Returns an error if d contains an invalid nucleotide.
+///
+// Counts is a method on the DNA type. A method is a function with a special receiver argument.
+// The receiver appears in its own argument list between the func keyword and the method name.
+// Here, the Counts method has a receiver of type DNA named d.
+func (d DNA) Counts() (Histogram, error) {
+	var h Histogram
+	return h, nil
+}