:orphan:
# PetscHSetIJUpdate
Add entries from a has set to another 
## Synopsis
```
#include <petsc/private/hashsetij.h>
PetscErrorCode PetscHSetIJUpdate(PetscHSetIJ ht,PetscHSetIJ hda)
```

## Input Parameters

- ***ht -*** The hash set to which elements are added
- ***hta -*** The hash set from which the elements are retrieved



## Output Parameter

- ***ht -*** The hash set filled with the elements from the other hash set





## See Also
 `PetscHSetIJCreate()`, `PetscHSetIJDuplicate()`

## Level
developer

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/include/petsc/private/generated_khash.h.html#PetscHSetIJUpdate">include/petsc/private/generated_khash.h</A>


---
[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/include/petsc/private/generated_khash.h)


[Index of all PetscH routines](index.md)  
[Table of Contents for all manual pages](/manualpages/index.md)  
[Index of all manual pages](/manualpages/singleindex.md)  
