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#pragma once
#include <util/generic/va_args.h>
/**
* Generates an output sequence for the provided expressions that is formatted
* as a labeled comma-separated list.
*
* Example usage:
* @code
* int a = 1, b = 2, c = 3;
* stream << LabeledOutput(a, b, c, a + b + c);
* // Outputs "a = 1, b = 2, c = 3, a + b + c = 6"
* @endcode
*/
#define LabeledOutput(...) "" Y_PASS_VA_ARGS(Y_MAP_ARGS_WITH_LAST(__LABELED_OUTPUT_NONLAST__, __LABELED_OUTPUT_IMPL__, __VA_ARGS__))
#define __LABELED_OUTPUT_IMPL__(x) << #x " = " << (x)
#define __LABELED_OUTPUT_NONLAST__(x) __LABELED_OUTPUT_IMPL__(x) << ", "
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