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Allow using a Node as the key in force_insert.

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Node::force_insert() uses convert<> to convert its key to a node.
Add a specialization for convert<Node>.
This commit is contained in:
Michael Welsh Duggan
2015-08-13 10:51:00 -04:00
committed by Jesse Beder
parent 03d6e7d672
commit 320b02b14a
2 changed files with 30 additions and 0 deletions
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11
include/yaml-cpp/node/convert.h
View File

@@ -43,6 +43,17 @@ inline bool IsNaN(const std::string& input) {
}
}
// Node
template <>
struct convert<Node> {
static Node encode(const Node& rhs) { return rhs; }
static bool decode(const Node& node, Node& rhs) {
rhs.reset(node);
return true;
}
};
// std::string
template <>
struct convert<std::string> {

19
test/node/node_test.cpp
View File

@@ -80,6 +80,25 @@ TEST(NodeTest, MapWithUndefinedValues) {
EXPECT_EQ(2, node.size());
}
TEST(NodeTest, MapForceInsert) {
Node node;
Node k1("k1");
Node k2("k2");
Node v1("v1");
Node v2("v2");
node[k1] = v1;
node[k2] = v1;
EXPECT_TRUE(node.IsMap());
EXPECT_EQ("v1", node["k1"].as<std::string>());
EXPECT_EQ("v1", node["k2"].as<std::string>());
EXPECT_EQ(2, node.size());
node.force_insert(k2, v2);
EXPECT_EQ("v1", node["k1"].as<std::string>());
EXPECT_EQ("v2", node["k2"].as<std::string>());
EXPECT_EQ(2, node.size());
}
TEST(NodeTest, UndefinedConstNodeWithFallback) {
Node node;
const Node& cn = node;