# is\_value...() functions

```
Check the variable type
Returns true if the variable type is the expected one
Thread-safe functions.

success value_is_string(var);
success value_is_long(var);
success value_is_float(var);
success value_is_object(var);
success value_is_func(var);
success value_is_pvoid(var);
success value_is_int64(var);
```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.hex-rays.com/9.0/developer-guide/idc/idc-api-reference/alphabetical-list-of-idc-functions/1221.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.