Initial QSfera import

Server/vendor/github.com/samber/lo/internal/xrand/ordered_go118.go

@@ -0,0 +1,32 @@
+//go:build !go1.22
+
+package xrand
+
+import "math/rand"
+
+// Shuffle returns a slice of shuffled values. Uses the Fisher-Yates shuffle algorithm.
+func Shuffle(n int, swap func(i, j int)) {
+	rand.Shuffle(n, swap)
+}
+
+// IntN returns, as an int, a pseudo-random number in the half-open interval [0,n)
+// from the default Source.
+// It panics if n <= 0.
+func IntN(n int) int {
+	// bearer:disable go_gosec_crypto_weak_random
+	return rand.Intn(n)
+}
+
+// Int64 returns a non-negative pseudo-random 63-bit integer as an int64
+// from the default Source.
+func Int64() int64 {
+	// bearer:disable go_gosec_crypto_weak_random
+	n := rand.Int63()
+
+	// bearer:disable go_gosec_crypto_weak_random
+	if rand.Intn(2) == 0 {
+		return -n
+	}
+
+	return n
+}

Server/vendor/github.com/samber/lo/internal/xrand/ordered_go122.go

@@ -0,0 +1,23 @@
+//go:build go1.22
+
+package xrand
+
+import "math/rand/v2"
+
+// Shuffle returns a slice of shuffled values. Uses the Fisher-Yates shuffle algorithm.
+func Shuffle(n int, swap func(i, j int)) {
+	rand.Shuffle(n, swap)
+}
+
+// IntN returns, as an int, a pseudo-random number in the half-open interval [0,n)
+// from the default Source.
+// It panics if n <= 0.
+func IntN(n int) int {
+	return rand.IntN(n)
+}
+
+// Int64 returns a non-negative pseudo-random 63-bit integer as an int64
+// from the default Source.
+func Int64() int64 {
+	return rand.Int64()
+}