getSlice

pub fn getSlice(self: *Data, key: Key, comptime S: type) ?Slice(S) {
    const bytes = self.get(key, if (SavedData.DebugInfo == void) {} else .{
        .name = @typeName(@typeInfo(S).pointer.child),
        .kind = if (@typeInfo(S).pointer.sentinel() == null) .slice else .slice_with_sentinel,
    });
    if (bytes) |b| {
        var data: Slice(S) = @ptrCast(@alignCast(b));
        return if (@typeInfo(Slice(S)).pointer.sentinel()) |s|
            data[0 .. data.len - 1 :s]
        else
            data;
    }
    return null;
}