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
|
### jsoncons::jmespath::search
```cpp
#include <jsoncons_ext/jmespath/jmespath.hpp>
template<Json>
Json search(const Json& doc,
const Json::string_view_type& expr); (1)
template<Json>
Json search(const Json& doc,
const Json::string_view_type& expr,
std::error_code& ec); (2)
```
Returns a Json value.
#### Parameters
<table>
<tr>
<td>doc</td>
<td>Json value</td>
</tr>
<tr>
<td>expr</td>
<td>JMESPath expression</td>
</tr>
<tr>
<td>ec</td>
<td>out-parameter for reporting errors in the non-throwing overload</td>
</tr>
</table>
#### Return value
Returns a Json value.
#### Exceptions
(1) Throws a [jmespath_error](jmespath_error.md) if JMESPath evaluation fails.
(2) Sets the out-parameter `ec` to the [jmespath_error_category](jmespath_errc.md) if JMESPath evaluation fails.
|
