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Diffstat (limited to 'go/parallel-letter-frequency/frequency.go')
-rw-r--r--go/parallel-letter-frequency/frequency.go11
1 files changed, 11 insertions, 0 deletions
diff --git a/go/parallel-letter-frequency/frequency.go b/go/parallel-letter-frequency/frequency.go
new file mode 100644
index 0000000..0ea7cb2
--- /dev/null
+++ b/go/parallel-letter-frequency/frequency.go
@@ -0,0 +1,11 @@
+package letter
+
+type FreqMap map[rune]int
+
+func Frequency(s string) FreqMap {
+ m := FreqMap{}
+ for _, r := range s {
+ m[r]++
+ }
+ return m
+}