chore(3p/immer): Remove vendored copy of immer r/2029

We ended up dropping the use of this library again.

Change-Id: I2c44cd22a6128d23f87a582402bf5fb84991d608
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2292
Tested-by: BuildkiteCI
Reviewed-by: Profpatsch <mail@profpatsch.de>

1 files changed, 0 insertions, 77 deletions

diff --git a/third_party/immer/extra/python/src/immer-pybind.cpp b/third_party/immer/extra/python/src/immer-pybind.cpp
deleted file mode 100644
index 8f8aab1231f8..000000000000
--- a/third_party/immer/extra/python/src/immer-pybind.cpp
+++ /dev/null
@@ -1,77 +0,0 @@
-//
-// immer: immutable data structures for C++
-// Copyright (C) 2016, 2017, 2018 Juan Pedro Bolivar Puente
-//
-// This software is distributed under the Boost Software License, Version 1.0.
-// See accompanying file LICENSE or copy at http://boost.org/LICENSE_1_0.txt
-//
-
-#include <pybind11/pybind11.h>
-
-#include <immer/vector.hpp>
-#include <immer/refcount/unsafe_refcount_policy.hpp>
-
-namespace {
-
-struct heap_t
-{
-    template <typename ...Tags>
-    static void* allocate(std::size_t size, Tags...)
-    {
-        return PyMem_Malloc(size);
-    }
-
-    template <typename ...Tags>
-    static void deallocate(std::size_t, void* obj, Tags...)
-    {
-        PyMem_Free(obj);
-    }
-};
-
-using memory_t = immer::memory_policy<
-    immer::unsafe_free_list_heap_policy<heap_t>,
-    immer::unsafe_refcount_policy>;
-
-} // anonymous namespace
-
-namespace py = pybind11;
-
-PYBIND11_PLUGIN(immer_python_module)
-{
-    py::module m("immer", R"pbdoc(
-        Immer
-        -----
-        .. currentmodule:: immer
-        .. autosummary::
-           :toctree: _generate
-           Vector
-    )pbdoc");
-
-    using vector_t = immer::vector<py::object, memory_t>;
-
-    py::class_<vector_t>(m, "Vector")
-        .def(py::init<>())
-        .def("__len__", &vector_t::size)
-        .def("__getitem__",
-             [] (const vector_t& v, std::size_t i) {
-                 if (i > v.size())
-                     throw py::index_error{"Index out of range"};
-                 return v[i];
-             })
-        .def("append",
-             [] (const vector_t& v, py::object x) {
-                 return v.push_back(std::move(x));
-             })
-        .def("set",
-             [] (const vector_t& v, std::size_t i, py::object x) {
-                 return v.set(i, std::move(x));
-             });
-
-#ifdef VERSION_INFO
-    m.attr("__version__") = py::str(VERSION_INFO);
-#else
-    m.attr("__version__") = py::str("dev");
-#endif
-
-    return m.ptr();
-}