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Remove 'const' modifier on return of Node::as.

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This enables the return value to be moved, rather than copied.
This commit is contained in:
Jesse Beder
2015-11-22 11:27:55 -06:00
parent 320b02b14a
commit 97d56c3f36
2 changed files with 5 additions and 5 deletions
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6
include/yaml-cpp/node/impl.h
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@@ -87,7 +87,7 @@ struct as_if {
explicit as_if(const Node& node_) : node(node_) {} explicit as_if(const Node& node_) : node(node_) {}
const Node& node; const Node& node;
const T operator()(const S& fallback) const { T operator()(const S& fallback) const {
if (!node.m_pNode) if (!node.m_pNode)
return fallback; return fallback;
@@ -140,14 +140,14 @@ struct as_if<std::string, void> {
// access functions // access functions
template <typename T> template <typename T>
inline const T Node::as() const { inline T Node::as() const {
if (!m_isValid) if (!m_isValid)
throw InvalidNode(); throw InvalidNode();
return as_if<T, void>(*this)(); return as_if<T, void>(*this)();
} }
template <typename T, typename S> template <typename T, typename S>
inline const T Node::as(const S& fallback) const { inline T Node::as(const S& fallback) const {
if (!m_isValid) if (!m_isValid)
return fallback; return fallback;
return as_if<T, S>(*this)(fallback); return as_if<T, S>(*this)(fallback);

4
include/yaml-cpp/node/node.h
View File

@@ -63,9 +63,9 @@ class YAML_CPP_API Node {
// access // access
template <typename T> template <typename T>
const T as() const; T as() const;
template <typename T, typename S> template <typename T, typename S>
const T as(const S& fallback) const; T as(const S& fallback) const;
const std::string& Scalar() const; const std::string& Scalar() const;
const std::string& Tag() const; const std::string& Tag() const;