BloombergLP::bdlb::HashUtil::hash0

Synopses

Declared in <bdlb_hashutil.h>

Same as the preceding overload for the specified key type.

static
unsigned int
hash0(
    bsls::Types::Int64 key,
    int modulus);

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Same as the preceding overload for the specified key type.

static
unsigned int
hash0(
    bsls::Types::Uint64 key,
    int modulus);

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Return an unsigned integer hash value in the range from zero to one less than the specified modulus corresponding to the specified key. The behavior is undefined unless 0 < modulus < 2^31. Note that modulus is expected to be a prime not close to an integral power of 2. Also note that specifying a modulus of 1 will cause 0 to be returned for every value.

static
unsigned int
hash0(
    char key,
    int modulus);

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Same as the preceding overload for the specified key type.

static
unsigned int
hash0(
    double key,
    int modulus);

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Same as the preceding overload for the specified key type.

static
unsigned int
hash0(
    float key,
    int modulus);

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Same as the preceding overload for the specified key type.

static
unsigned int
hash0(
    int key,
    int modulus);

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Same as the preceding overload for the specified key type.

static
unsigned int
hash0(
    long key,
    int modulus);

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Same as the preceding overload for the specified key type.

static
unsigned int
hash0(
    short key,
    int modulus);

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Same as the preceding overload for the specified key type.

static
unsigned int
hash0(
    signed char key,
    int modulus);

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Same as the preceding overload for the specified key type.

static
unsigned int
hash0(
    unsigned char key,
    int modulus);

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Same as the preceding overload for the specified key type.

static
unsigned int
hash0(
    unsigned int key,
    int modulus);

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Same as the preceding overload for the specified key type.

static
unsigned int
hash0(
    unsigned long key,
    int modulus);

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Same as the preceding overload for the specified key type.

static
unsigned int
hash0(
    unsigned short key,
    int modulus);

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Return a pseudo-random unsigned integer in the range from zero to one less than the specified modulus corresponding to the specified null-terminated string. The behavior is undefined unless 0 < modulus < 2^31. Note that modulus is expected to be a prime not close to an integral power of 2. Also note that specifying a modulus of 1 will cause 0 to be returned for every string.

static
unsigned int
hash0(
    char const* string,
    int modulus);

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Same as the preceding overload for the specified pointer key.

static
unsigned int
hash0(
    void const* key,
    int modulus);

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Return a pseudo-random unsigned integer in the range from zero to one less than the specified modulus corresponding to the specified string having the specified stringLength. string need not be null-terminated and may contain embedded null characters. The behavior is undefined unless 0 <= stringLength and 0 < modulus < 2^31. Note that modulus is expected to be a prime not close to an integral power of 2. Also note that specifying a modulus of 1 will cause 0 to be returned for every string.

static
unsigned int
hash0(
    char const* string,
    int stringLength,
    int modulus);

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