Function hash [src]

Prototype

pub fn hash(self: @This(), s: []const u8) u64

Parameters

self: @This()s: []const u8

Source

  pub fn hash(self: @This(), s: []const u8) u64 {
    _ = self;
    if (native_os == .windows) {
        var h = std.hash.Wyhash.init(0);
        var it = unicode.Wtf8View.initUnchecked(s).iterator();
        while (it.nextCodepoint()) |cp| {
            const cp_upper = upcase(cp);
            h.update(&[_]u8{
                @as(u8, @intCast((cp_upper >> 16) & 0xff)),
                @as(u8, @intCast((cp_upper >> 8) & 0xff)),
                @as(u8, @intCast((cp_upper >> 0) & 0xff)),
            });
        }
        return h.final();
    }
    return std.hash_map.hashString(s);
}  