PyHash API

See also the PyTypeObject.tp_hash member.

type Py_hash_t

Hash value type: signed integer.

在 3.2 版本加入.

type Py_uhash_t

Hash value type: unsigned integer.

在 3.2 版本加入.

type PyHash_FuncDef

Hash function definition used by PyHash_GetFuncDef().

const char *name

Hash function name (UTF-8 encoded string).

const int hash_bits

Internal size of the hash value in bits.

const int seed_bits

Size of seed input in bits.

在 3.4 版本加入.

PyHash_FuncDef *PyHash_GetFuncDef(void)

Get the hash function definition.

参见

PEP 456 "Secure and interchangeable hash algorithm".

在 3.4 版本加入.

Py_hash_t Py_HashPointer(const void *ptr)

Hash a pointer value: process the pointer value as an integer (cast it to uintptr_t internally). The pointer is not dereferenced.

The function cannot fail: it cannot return -1.

在 3.13 版本加入.