blob: 31f9e4db4dd0ada8b4264ee17bcd9cd0c45fcf41 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
#ifndef SIBS_RESULT_HPP
#define SIBS_RESULT_HPP
#include <cassert>
namespace sibs
{
template <typename T>
class Result
{
public:
static Result Ok(const T &value)
{
return Result(value);
}
static Result Err(const char *errMsg)
{
return Result(errMsg);
}
bool isOk() const { return !errMsg; }
bool isErr() const { return errMsg; }
T& unwrap()
{
assert(isOk());
return value;
}
const char *getErrMsg() const
{
assert(isErr());
return errMsg;
}
private:
Result(const T &_value) : value(_value), errMsg(nullptr){}
Result(const char *_errMsg) : errMsg(_errMsg){}
private:
T value;
const char *errMsg;
};
}
#endif //SIBS_RESULT_HPP
|
