28 lines
584 B
Go
28 lines
584 B
Go
package letter
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import "time"
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// ConcurrentFrequency concurrently calls Frequency
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// and returns the final Frequency Map
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func ConcurrentFrequency(input []string) FreqMap {
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var procCnt = len(input)
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var toMerge []FreqMap
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for _, chunk := range input {
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go func(chunk string) {
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toMerge = append(toMerge, Frequency(chunk))
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procCnt--
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}(chunk)
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}
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for procCnt > 0 {
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time.Sleep(time.Millisecond)
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}
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// We should have all FreqMaps now... merge them
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ret := make(map[rune]int)
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for _, aResult := range toMerge {
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for k, v := range aResult {
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ret[k] += v
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}
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}
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return ret
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}
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