#ifndef _H_MCU_RESULT
#define _H_MCU_RESULT

#include "mcutil/collect/str.h"
#include <stdbool.h>

typedef struct mcu_error_s {
    mcu_str_t reason;
    const char* file;
    int line;
} mcu_error_t;

typedef struct mcu_result_s {
    union {
        void* res;
        mcu_error_t err;
    };
    bool is_err;
} mcu_result_t;

#define Ok(val)      (mcu_result_t){ .is_err=false, .res = val }
#define Err(_reason) (mcu_result_t){ .is_err=true,  .err = (mcu_error_t){ .reason=mcu_str_new(_reason), .file=__FILE__, .line=__LINE__ }}
#define mcu_result_unwrap(result) ({                    \
    if ((result).is_err) {                              \
        printf("%s:%d: PANIC: Unwrapped on error value%s\n", \
                (result).err.file, (result).err.line,   \
                (result).err.reason.inner);             \
        exit(1);                                        \
    };                                                  \
    (result).res;                                       \
})


#endif // _H_MCU_RESULT