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jedwardsol/optional.cpp

Last active November 29, 2018 20:54
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Optional heuristic
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optional.cpp
struct Edge;
struct Vertex;
void enqueue(Edge *, double);
double someHeuristic(Vertex*, Vertex *);
// -----------------
#include <optional>
#include <functional>
using heuristic = std::function<double(Vertex*, Vertex*)>;
void singleFunction(Vertex* start, Vertex* end, std::optional<heuristic> heuristic=std::nullopt)
{
Edge *edge=nullptr;
double cost=10;
if (heuristic)
{
enqueue(edge, cost + (*heuristic)(start,end));
}
else
{
enqueue(edge, cost);
}
}
int main()
{
Vertex *start{nullptr};
Vertex *end {nullptr};
singleFunction(start,end);
singleFunction(start,end,someHeuristic);
}
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