Initial v1.0.0 commit

vendor/github.com/markbates/oncer/oncer.go

@@ -0,0 +1,26 @@
+package oncer
+
+import (
+	"sync"
+)
+
+var onces = &sync.Map{}
+
+func Do(name string, fn func()) {
+	o, _ := onces.LoadOrStore(name, &sync.Once{})
+	if once, ok := o.(*sync.Once); ok {
+		once.Do(log(name, fn))
+	}
+}
+
+func Reset(names ...string) {
+	if len(names) == 0 {
+		onces = &sync.Map{}
+		return
+	}
+
+	for _, n := range names {
+		onces.Delete(n)
+		onces.Delete(deprecated + n)
+	}
+}