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This is an example of documentation generated by ZigDoc, an alternative to Zig's built-in Auto Doc feature. See also examples in other modes/formats. The project being documented here (as the example) is the Zig standard library. Public Function

hashWithSeed

Public Function
std.hash.murmur.Murmur2_32.hashWithSeed
pub fn hashWithSeed(str: []const u8, seed: u32) u32

Params

  • str: []const u8
  • seed: u32

File

hash/murmur.zig:15
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    pub fn hashWithSeed(str: []const u8, seed: u32) u32 {
        const m: u32 = 0x5bd1e995;
        const len: u32 = @truncate(str.len);
        var h1: u32 = seed ^ len;
        for (@as([*]align(1) const u32, @ptrCast(str.ptr))[0..(len >> 2)]) |v| {
            var k1: u32 = v;
            if (native_endian == .big)
                k1 = @byteSwap(k1);
            k1 *%= m;
            k1 ^= k1 >> 24;
            k1 *%= m;
            h1 *%= m;
            h1 ^= k1;
        }
        const offset = len & 0xfffffffc;
        const rest = len & 3;
        if (rest >= 3) {
            h1 ^= @as(u32, @intCast(str[offset + 2])) << 16;
        }
        if (rest >= 2) {
            h1 ^= @as(u32, @intCast(str[offset + 1])) << 8;
        }
        if (rest >= 1) {
            h1 ^= @as(u32, @intCast(str[offset + 0]));
            h1 *%= m;
        }
        h1 ^= h1 >> 13;
        h1 *%= m;
        h1 ^= h1 >> 15;
        return h1;
    }