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#### 18.2.8 hash-table-test [Function]

`hash-table-test` hash-table ⇒ test

#### Arguments and Values::

hash-table—a hash table.

test—a function designator. For the four standardized hash table test functions (see make-hash-table), the test value returned is always a symbol. If an implementation permits additional tests, it is implementation-dependent whether such tests are returned as function objects or function names.

#### Description::

Returns the test used for comparing keys in hash-table.

#### Exceptional Situations::

Should signal an error of type type-error if hash-table is not a hash table.

#### See Also::

make-hash-table