Operation count

stream.Count

It returns the number of elements in the stream.

Signature

func (s stream.Stream) Count()  (total int,err *errors.Error)

Arguments

N/A

Output

Name	Type	Description
total	int	Number of elements
err	*errors.Error	Error in case of something didn't work

Errors

Type	Description
err.items-nil	Count of a nil stream is not permitted

Example

package main

import (
  "fmt"
  "github.com/wesovilabs/koazee"
)

var stream = koazee.StreamOf([]string{"Dog","Cat","Monkey","Rabbit","Turtle"})

func main() {
  count,_:=stream.Count()
  fmt.Println(count)
}

Download

Benchmark

Counting the number of elements in a stream o strings

Test Identifier	Stream Len	Speed
BenchmarkCountString10-4	10	101 ns/op
BenchmarkCountString10-4	100	98.6 ns/op
BenchmarkCountString10-4	1000	108 ns/op
BenchmarkCountString10-4	5000	96.5 ns/op