to_string.h

Go to the documentation of this file.

#ifndef FREE_TENSOR_TO_STRING_H
#define FREE_TENSOR_TO_STRING_H
 
#include <sstream>
 
namespace freetensor {
 
class ASTNode;
template <class T> class Ref;
 
// Define an `toString` function for all objects having `ostream <<` defined
 
template <class T>
concept HasStreamOutput = requires(std::ostream &os, const T &obj) {
    os << obj;
};
 
template <class T>
requires requires(const T &obj) {
    requires HasStreamOutput<T>;
 
    // We have a special version for AST and its subclasses
    requires !std::convertible_to<T, Ref<ASTNode>>;
}
std::string toString(const T &obj) {
    std::ostringstream os;
    os << obj;
    return os.str();
}
 
} // namespace freetensor
 
#endif // FREE_TENSOR_TO_STRING_H