From 13f079c5150d86bb87b71094e545e720e245658d Mon Sep 17 00:00:00 2001
From: Adrian Kummerländer
Date: Thu, 6 Feb 2014 20:26:45 +0100
Subject: Introduced simple result wrapper template * offers bool() operator
 for easy assignment checks inside conditional statements

---
 src/utility.h | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 src/utility.h

(limited to 'src/utility.h')

diff --git a/src/utility.h b/src/utility.h
new file mode 100644
index 0000000..6342420
--- /dev/null
+++ b/src/utility.h
@@ -0,0 +1,29 @@
+#ifndef TRIE_SRC_UTILITY_H_
+#define TRIE_SRC_UTILITY_H_
+
+namespace detail {
+
+template <
+	typename Value
+>
+struct Result {
+	Result():
+		value_(false, Value()) { }
+
+	Result(Value value):
+		value_(true, value) { }
+
+	inline operator bool() const {
+		return this->value_.first;
+	}
+
+	inline Value get() const {
+		return this->value_.second;
+	}
+
+	const std::pair<bool, Value> value_;
+};
+
+}
+
+#endif  // TRIE_SRC_UTILITY_H_
-- 
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