PETSc version 3.17.4
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# PetscHMapTHas

Query for a key in the hash table

### Synopsis

    #include <petsc/private/hashmap.h>
    PetscErrorCode PetscHMapTHas(PetscHMapT ht,KeyType key,PetscBool *has)

### Input Parameters

| ht | - The hash table
| key | - The key

### Output Parameter

| has | - Boolean indicating whether key is in the hash table

### See Also

PetscHMapTGet(), PetscHMapTSet(), PetscHMapTFind()

### Level

developer

### Location

include/petsc/private/hashmap.h
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