:orphan:
# PetscHMapIVQueryDel
Query and remove a (key,value) entry from the hash table 
## Synopsis
```
#include <petsc/private/hashmapiv.h>
PetscErrorCode PetscHMapIVQueryDel(PetscHMapIV ht, PetscInt key, PetscBool *present)
```

## Input Parameters

- ***ht  -*** The hash table
- ***key -*** The key



## Output Parameter

- ***present -*** Boolean indicating whether the key was present





## See Also
 `PetscHMapIVQuerySet()`, `PetscHMapIVDel()`

## Level
developer

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


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