From cda9205c18379223a4a7c1245fa8788c64824e16 Mon Sep 17 00:00:00 2001
From: zhangyunhao <zhangyunhao116@gmail.com>
Date: Tue, 12 Mar 2024 15:06:04 +0800
Subject: [PATCH] support Go 1.22

---
 .github/workflows/go.yml       |  2 +-
 go.mod                         |  2 +-
 runtime.go => runtime_go118.go |  0
 runtime_go119.go               |  4 ++--
 runtime_go122.go               | 17 +++++++++++++++++
 5 files changed, 21 insertions(+), 4 deletions(-)
 rename runtime.go => runtime_go118.go (100%)
 create mode 100644 runtime_go122.go

diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index 712ce78..8f99c49 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -18,7 +18,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        go-version: [1.16, 1.17, 1.18]
+        go-version: [1.13, 1.18, 1.19, 1.22]
         os:
           [
             ubuntu-latest,
diff --git a/go.mod b/go.mod
index c576db3..61a6996 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,3 @@
 module github.com/zhangyunhao116/fastrand
 
-go 1.15
+go 1.13
diff --git a/runtime.go b/runtime_go118.go
similarity index 100%
rename from runtime.go
rename to runtime_go118.go
diff --git a/runtime_go119.go b/runtime_go119.go
index efd0db5..8bdd371 100644
--- a/runtime_go119.go
+++ b/runtime_go119.go
@@ -1,5 +1,5 @@
-//go:build go1.19
-// +build go1.19
+//go:build go1.19 && !go1.22
+// +build go1.19,!go1.22
 
 package fastrand
 
diff --git a/runtime_go122.go b/runtime_go122.go
new file mode 100644
index 0000000..c3c356f
--- /dev/null
+++ b/runtime_go122.go
@@ -0,0 +1,17 @@
+//go:build go1.22
+// +build go1.22
+
+package fastrand
+
+import (
+	_ "unsafe"
+)
+
+//go:linkname runtimefastrand runtime.cheaprand
+func runtimefastrand() uint32
+
+//go:linkname runtimefastrand64 runtime.cheaprand64
+func runtimefastrand64() uint64
+
+//go:linkname runtimefastrandu runtime.cheaprandu
+func runtimefastrandu() uint