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Added is_undefined method.

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yhirose 2015-02-08 23:02:10 -05:00
parent 0dc3cd6da4
commit feebade357
1 changed files with 4 additions and 0 deletions
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4
peglib.h
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@ -67,6 +67,10 @@ public:
delete content_; delete content_;
} }
bool is_undefined() const {
return content_ == nullptr;
}
template <typename T> template <typename T>
T& get() { T& get() {
assert(content_); assert(content_);