Update for fastrand

grantnelson-wf · grantnelson-wf · commit 8151b2813eac · 2024-01-30T17:34:11.000-07:00
diff --git a/compiler/natives/src/net/fastrand.go b/compiler/natives/src/net/fastrand.go
@@ -7,5 +7,5 @@ import (
 	_ "unsafe" // For go:linkname
 )
 
-//go:linkname fastrand runtime.fastrand
-func fastrand() uint32
+//go:linkname fastrandu runtime.fastrandu
+func fastrandu() uint
diff --git a/compiler/natives/src/runtime/fastrand.go b/compiler/natives/src/runtime/fastrand.go
@@ -13,3 +13,15 @@ func fastrand() uint32 {
 	// similar distribution.
 	return uint32(js.Global.Get("Math").Call("random").Float() * (1<<32 - 1))
 }
+
+func fastrandn(n uint32) uint32 {
+	return fastrand() % n
+}
+
+func fastrand64() uint64 {
+	return uint64(fastrand())<<32 | uint64(fastrand())
+}
+
+func fastrandu() uint {
+	return uint(fastrand())
+}

Original file line number	Diff line number	Diff line change
`@@ -7,5 +7,5 @@ import (`
`7`	`7`	`_ "unsafe" // For go:linkname`
`8`	`8`	`)`
`9`	`9`
`10`		`-//go:linkname fastrand runtime.fastrand`
`11`		`-func fastrand() uint32`
	`10`	`+//go:linkname fastrandu runtime.fastrandu`
	`11`	`+func fastrandu() uint`