From 4db4ec1621767513ed2bd99d835c3e2f1c2b0e7e Mon Sep 17 00:00:00 2001
From: obscuren <geffobscura@gmail.com>
Date: Mon, 15 Sep 2014 01:10:50 +0200
Subject: [PATCH] Added unique set
---
ethutil/set.go | 32 ++++++++++++++++++++++++++++++++
1 file changed, 32 insertions(+)
create mode 100644 ethutil/set.go
diff --git a/ethutil/set.go b/ethutil/set.go
new file mode 100644
index 000000000..80e2edde2
--- /dev/null
+++ b/ethutil/set.go
@@ -0,0 +1,32 @@
+package ethutil
+
+type Settable interface {
+ AsSet() UniqueSet
+}
+
+type UniqueSet map[interface{}]struct{}
+
+func NewSet(v ...interface{}) UniqueSet {
+ set := make(UniqueSet)
+ for _, val := range v {
+ set.Insert(val)
+ }
+
+ return set
+}
+
+func (self UniqueSet) Insert(k interface{}) UniqueSet {
+ self[k] = struct{}{}
+
+ return self
+}
+
+func (self UniqueSet) Include(k interface{}) bool {
+ _, ok := self[k]
+
+ return ok
+}
+
+func Set(s Settable) UniqueSet {
+ return s.AsSet()
+}
--
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