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, 54 deletions

diff --git a/third_party/immer/example/array/array.cpp b/third_party/immer/example/array/array.cpp
deleted file mode 100644
index 43972ad61a21..000000000000
--- a/third_party/immer/example/array/array.cpp
+++ /dev/null
@@ -1,54 +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 <immer/array.hpp>
-
-#include <cassert>
-
-int main()
-{
-    {
-        // include:push-back/start
-        auto v1 = immer::array<int>{1};
-        auto v2 = v1.push_back(8);
-
-        assert((v1 == immer::array<int>{1}));
-        assert((v2 == immer::array<int>{1, 8}));
-        // include:push-back/end
-    }
-
-    {
-        // include:set/start
-        auto v1 = immer::array<int>{1, 2, 3};
-        auto v2 = v1.set(0, 5);
-
-        assert((v1 == immer::array<int>{1, 2, 3}));
-        assert((v2 == immer::array<int>{5, 2, 3}));
-        // include:set/end
-    }
-
-    {
-        // include:update/start
-        auto v1 = immer::array<int>{1, 2, 3, 4};
-        auto v2 = v1.update(2, [&](auto l) { return ++l; });
-
-        assert((v1 == immer::array<int>{1, 2, 3, 4}));
-        assert((v2 == immer::array<int>{1, 2, 4, 4}));
-        // include:update/end
-    }
-
-    {
-        // include:take/start
-        auto v1 = immer::array<int>{1, 2, 3, 4, 5, 6};
-        auto v2 = v1.take(3);
-
-        assert((v1 == immer::array<int>{1, 2, 3, 4, 5, 6}));
-        assert((v2 == immer::array<int>{1, 2, 3}));
-        // include:take/end
-    }
-}