summaryrefslogtreecommitdiffstats
path: root/vendor/google.golang.org/protobuf/internal/detrand/rand.go
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/google.golang.org/protobuf/internal/detrand/rand.go')
-rw-r--r--vendor/google.golang.org/protobuf/internal/detrand/rand.go8
1 files changed, 8 insertions, 0 deletions
diff --git a/vendor/google.golang.org/protobuf/internal/detrand/rand.go b/vendor/google.golang.org/protobuf/internal/detrand/rand.go
index a904dd1f..49c8676d 100644
--- a/vendor/google.golang.org/protobuf/internal/detrand/rand.go
+++ b/vendor/google.golang.org/protobuf/internal/detrand/rand.go
@@ -26,6 +26,14 @@ func Bool() bool {
return randSeed%2 == 1
}
+// Intn returns a deterministically random integer between 0 and n-1, inclusive.
+func Intn(n int) int {
+ if n <= 0 {
+ panic("must be positive")
+ }
+ return int(randSeed % uint64(n))
+}
+
// randSeed is a best-effort at an approximate hash of the Go binary.
var randSeed = binaryHash()