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29 changes: 29 additions & 0 deletions README.md
Original file line number Diff line number Diff line change
Expand Up @@ -207,6 +207,35 @@ func Factorial(n int) int {
}
```

## Guru Go Programmer

```go
package fac

import "iter"

// Factorial returns n!.
func Factorial(n int) int {
res := 1

for i := range factorial(n) {
res *= i
}

return res
}

func factorial(n int) iter.Seq[int] {
return func(yield func(int) bool) {
for i := range n {
if !yield(i + 1) {
break
}
}
}
}
```

## Rob Pike

```text
Expand Down