38 lines
650 B
Go
38 lines
650 B
Go
package stream
|
|
|
|
import "runtime"
|
|
|
|
//ForEach 对任意数组操作，针对每个元素执行一遍指定的行为
|
|
func (s *Stream) ForEach(action func(interface{})) {
|
|
if s.isParallel {
|
|
count := runtime.NumCPU()
|
|
ch1 := make(chan interface{}, count)
|
|
ch2 := make(chan interface{})
|
|
for i := 0; i < count; i++ {
|
|
go func() {
|
|
for true {
|
|
if value, ok := <-ch1; !ok {
|
|
break
|
|
} else {
|
|
action(value)
|
|
}
|
|
}
|
|
ch2 <- 0
|
|
}()
|
|
}
|
|
go func() {
|
|
for _, v := range s.list {
|
|
ch1 <- v
|
|
}
|
|
close(ch1)
|
|
}()
|
|
for i := 0; i < count; i++ {
|
|
<-ch2
|
|
}
|
|
} else {
|
|
for _, v := range s.list {
|
|
action(v)
|
|
}
|
|
}
|
|
}
|