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>

7 files changed, 0 insertions, 503 deletions

diff --git a/third_party/immer/benchmark/vector/misc/access.cpp b/third_party/immer/benchmark/vector/misc/access.cpp
deleted file mode 100644
index 9a00266a87d8..000000000000
--- a/third_party/immer/benchmark/vector/misc/access.cpp
+++ /dev/null
@@ -1,94 +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 "benchmark/vector/access.hpp"
-
-#include <immer/algorithm.hpp>
-#include <immer/array.hpp>
-#include <immer/flex_vector.hpp>
-#include <immer/vector.hpp>
-
-#if IMMER_BENCHMARK_EXPERIMENTAL
-#include <immer/experimental/dvektor.hpp>
-#endif
-
-#if IMMER_BENCHMARK_STEADY
-#define QUARK_ASSERT_ON 0
-#include <steady/steady_vector.h>
-#endif
-
-#include <vector>
-#include <list>
-#include <numeric>
-
-NONIUS_BENCHMARK("std::vector", benchmark_access_iter_std<std::vector<unsigned>>())
-NONIUS_BENCHMARK("std::vector/idx", benchmark_access_idx_std<std::vector<unsigned>>())
-NONIUS_BENCHMARK("std::vector/random", benchmark_access_random_std<std::vector<unsigned>>())
-NONIUS_BENCHMARK("std::list", benchmark_access_iter_std<std::list<unsigned>>())
-
-#if IMMER_BENCHMARK_LIBRRB
-NONIUS_BENCHMARK("librrb", benchmark_access_librrb(make_librrb_vector))
-NONIUS_BENCHMARK("librrb/F", benchmark_access_librrb(make_librrb_vector_f))
-NONIUS_BENCHMARK("librrb/random", benchmark_access_random_librrb(make_librrb_vector))
-NONIUS_BENCHMARK("librrb/F/random", benchmark_access_random_librrb(make_librrb_vector_f))
-#endif
-
-NONIUS_BENCHMARK("flex/5B",     benchmark_access_iter<immer::flex_vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("flex/F/5B",   benchmark_access_iter<immer::flex_vector<unsigned,def_memory,5>,push_front_fn>())
-NONIUS_BENCHMARK("vector/4B",   benchmark_access_iter<immer::vector<unsigned,def_memory,4>>())
-NONIUS_BENCHMARK("vector/5B",   benchmark_access_iter<immer::vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("vector/6B",   benchmark_access_iter<immer::vector<unsigned,def_memory,6>>())
-
-#if IMMER_BENCHMARK_EXPERIMENTAL
-NONIUS_BENCHMARK("dvektor/4B",  benchmark_access_iter<immer::dvektor<unsigned,def_memory,4>>())
-NONIUS_BENCHMARK("dvektor/5B",  benchmark_access_iter<immer::dvektor<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("dvektor/6B",  benchmark_access_iter<immer::dvektor<unsigned,def_memory,6>>())
-#endif
-
-#if IMMER_BENCHMARK_STEADY
-NONIUS_BENCHMARK("steady/idx",      benchmark_access_idx<steady::vector<unsigned>>())
-#endif
-
-NONIUS_BENCHMARK("flex/5B/idx",     benchmark_access_idx<immer::flex_vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("flex/F/5B/idx",   benchmark_access_idx<immer::flex_vector<unsigned,def_memory,5>,push_front_fn>())
-NONIUS_BENCHMARK("vector/4B/idx",   benchmark_access_idx<immer::vector<unsigned,def_memory,4>>())
-NONIUS_BENCHMARK("vector/5B/idx",   benchmark_access_idx<immer::vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("vector/6B/idx",   benchmark_access_idx<immer::vector<unsigned,def_memory,6>>())
-#if IMMER_BENCHMARK_EXPERIMENTAL
-NONIUS_BENCHMARK("dvektor/4B/idx",  benchmark_access_idx<immer::dvektor<unsigned,def_memory,4>>())
-NONIUS_BENCHMARK("dvektor/5B/idx",  benchmark_access_idx<immer::dvektor<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("dvektor/6B/idx",  benchmark_access_idx<immer::dvektor<unsigned,def_memory,6>>())
-#endif
-
-NONIUS_BENCHMARK("flex/5B/reduce_i", benchmark_access_reduce_range<immer::flex_vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("vector/5B/reduce_i", benchmark_access_reduce_range<immer::vector<unsigned,def_memory,5>>())
-
-NONIUS_BENCHMARK("flex/5B/reduce",   benchmark_access_reduce<immer::flex_vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("flex/F/5B/reduce", benchmark_access_reduce<immer::flex_vector<unsigned,def_memory,5>,push_front_fn>())
-NONIUS_BENCHMARK("vector/4B/reduce", benchmark_access_reduce<immer::vector<unsigned,def_memory,4>>())
-NONIUS_BENCHMARK("vector/5B/reduce", benchmark_access_reduce<immer::vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("vector/6B/reduce", benchmark_access_reduce<immer::vector<unsigned,def_memory,6>>())
-
-#if IMMER_BENCHMARK_STEADY
-NONIUS_BENCHMARK("steady/random",      benchmark_access_random<steady::vector<unsigned>>())
-#endif
-
-NONIUS_BENCHMARK("flex/5B/random",     benchmark_access_random<immer::flex_vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("flex/F/5B/random",   benchmark_access_random<immer::flex_vector<unsigned,def_memory,5>, push_front_fn>())
-NONIUS_BENCHMARK("vector/4B/random",   benchmark_access_random<immer::vector<unsigned,def_memory,4>>())
-NONIUS_BENCHMARK("vector/5B/random",   benchmark_access_random<immer::vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("vector/6B/random",   benchmark_access_random<immer::vector<unsigned,def_memory,6>>())
-#if IMMER_BENCHMARK_EXPERIMENTAL
-NONIUS_BENCHMARK("dvektor/4B/random",  benchmark_access_random<immer::dvektor<unsigned,def_memory,4>>())
-NONIUS_BENCHMARK("dvektor/5B/random",  benchmark_access_random<immer::dvektor<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("dvektor/6B/random",  benchmark_access_random<immer::dvektor<unsigned,def_memory,6>>())
-#endif
-
-#if IMMER_BENCHMARK_BOOST_COROUTINE
-NONIUS_BENCHMARK("vector/5B/coro", benchmark_access_coro<immer::vector<unsigned,def_memory,5>>())
-#endif
diff --git a/third_party/immer/benchmark/vector/misc/assoc.cpp b/third_party/immer/benchmark/vector/misc/assoc.cpp
deleted file mode 100644
index 2b3d6d76b985..000000000000
--- a/third_party/immer/benchmark/vector/misc/assoc.cpp
+++ /dev/null
@@ -1,119 +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 "benchmark/vector/assoc.hpp"
-
-#include <immer/array.hpp>
-#include <immer/flex_vector.hpp>
-#include <immer/flex_vector_transient.hpp>
-#include <immer/vector.hpp>
-#include <immer/vector_transient.hpp>
-
-#if IMMER_BENCHMARK_EXPERIMENTAL
-#include <immer/experimental/dvektor.hpp>
-#endif
-
-#include <immer/heap/gc_heap.hpp>
-#include <immer/refcount/no_refcount_policy.hpp>
-#include <immer/refcount/unsafe_refcount_policy.hpp>
-
-#include <vector>
-#include <list>
-
-#if IMMER_BENCHMARK_STEADY
-#define QUARK_ASSERT_ON 0
-#include <steady/steady_vector.h>
-#endif
-
-#if IMMER_BENCHMARK_LIBRRB
-extern "C" {
-#define restrict __restrict__
-#include <rrb.h>
-#undef restrict
-}
-#endif
-
-NONIUS_BENCHMARK("std::vector", benchmark_assoc_std<std::vector<unsigned>>())
-NONIUS_BENCHMARK("std::vector/random", benchmark_assoc_random_std<std::vector<unsigned>>())
-
-#if IMMER_BENCHMARK_LIBRRB
-NONIUS_BENCHMARK("librrb", benchmark_assoc_librrb(make_librrb_vector))
-NONIUS_BENCHMARK("librrb/F", benchmark_assoc_librrb(make_librrb_vector_f))
-NONIUS_BENCHMARK("librrb/random", benchmark_assoc_random_librrb(make_librrb_vector))
-NONIUS_BENCHMARK("t/librrb", benchmark_assoc_mut_librrb(make_librrb_vector))
-NONIUS_BENCHMARK("t/librrb/F", benchmark_assoc_mut_librrb(make_librrb_vector_f))
-NONIUS_BENCHMARK("t/librrb/random", benchmark_assoc_mut_random_librrb(make_librrb_vector))
-#endif
-
-#if IMMER_BENCHMARK_STEADY
-NONIUS_BENCHMARK("steady",     benchmark_assoc<steady::vector<unsigned>, push_back_fn, store_fn>())
-#endif
-
-NONIUS_BENCHMARK("flex/5B",    benchmark_assoc<immer::flex_vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("flex/F/5B",  benchmark_assoc<immer::flex_vector<unsigned,def_memory,5>,push_front_fn>())
-
-NONIUS_BENCHMARK("flex/GC",    benchmark_assoc<immer::flex_vector<unsigned,gc_memory,5>>())
-NONIUS_BENCHMARK("flex/F/GC",  benchmark_assoc<immer::flex_vector<unsigned,gc_memory,5>,push_front_fn>())
-NONIUS_BENCHMARK("flex/F/GCF", benchmark_assoc<immer::flex_vector<unsigned,gcf_memory,5>,push_front_fn>())
-
-NONIUS_BENCHMARK("flex_s/GC",  benchmark_assoc<immer::flex_vector<std::size_t,gc_memory,5>>())
-NONIUS_BENCHMARK("flex_s/F/GC",benchmark_assoc<immer::flex_vector<std::size_t,gc_memory,5>,push_front_fn>())
-NONIUS_BENCHMARK("flex_s/F/GCF",benchmark_assoc<immer::flex_vector<std::size_t,gcf_memory,5>,push_front_fn>())
-
-NONIUS_BENCHMARK("vector/4B",  benchmark_assoc<immer::vector<unsigned,def_memory,4>>())
-NONIUS_BENCHMARK("vector/5B",  benchmark_assoc<immer::vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("vector/6B",  benchmark_assoc<immer::vector<unsigned,def_memory,6>>())
-
-NONIUS_BENCHMARK("vector/GC",  benchmark_assoc<immer::vector<unsigned,gc_memory,5>>())
-NONIUS_BENCHMARK("vector/NO",  benchmark_assoc<immer::vector<unsigned,basic_memory,5>>())
-NONIUS_BENCHMARK("vector/UN",  benchmark_assoc<immer::vector<unsigned,unsafe_memory,5>>())
-
-#if IMMER_BENCHMARK_EXPERIMENTAL
-NONIUS_BENCHMARK("dvektor/4B", benchmark_assoc<immer::dvektor<unsigned,def_memory,4>>())
-NONIUS_BENCHMARK("dvektor/5B", benchmark_assoc<immer::dvektor<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("dvektor/6B", benchmark_assoc<immer::dvektor<unsigned,def_memory,6>>())
-
-NONIUS_BENCHMARK("dvektor/GC", benchmark_assoc<immer::dvektor<unsigned,gc_memory,5>>())
-NONIUS_BENCHMARK("dvektor/NO", benchmark_assoc<immer::dvektor<unsigned,basic_memory,5>>())
-NONIUS_BENCHMARK("dvektor/UN", benchmark_assoc<immer::dvektor<unsigned,unsafe_memory,5>>())
-#endif
-
-NONIUS_BENCHMARK("array",      benchmark_assoc<immer::array<unsigned>>())
-
-#if IMMER_BENCHMARK_STEADY
-NONIUS_BENCHMARK("steady/random",      benchmark_assoc_random<steady::vector<unsigned>, push_back_fn, store_fn>())
-#endif
-
-NONIUS_BENCHMARK("flex/5B/random",     benchmark_assoc_random<immer::flex_vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("vector/4B/random",   benchmark_assoc_random<immer::vector<unsigned,def_memory,4>>())
-NONIUS_BENCHMARK("vector/5B/random",   benchmark_assoc_random<immer::vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("vector/6B/random",   benchmark_assoc_random<immer::vector<unsigned,def_memory,6>>())
-#if IMMER_BENCHMARK_EXPERIMENTAL
-NONIUS_BENCHMARK("dvektor/4B/random",  benchmark_assoc_random<immer::dvektor<unsigned,def_memory,4>>())
-NONIUS_BENCHMARK("dvektor/5B/random",  benchmark_assoc_random<immer::dvektor<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("dvektor/6B/random",  benchmark_assoc_random<immer::dvektor<unsigned,def_memory,6>>())
-#endif
-NONIUS_BENCHMARK("array/random",       benchmark_assoc_random<immer::array<unsigned>>())
-
-NONIUS_BENCHMARK("t/vector/5B",  benchmark_assoc_mut<immer::vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("t/vector/GC",  benchmark_assoc_mut<immer::vector<unsigned,gc_memory,5>>())
-NONIUS_BENCHMARK("t/vector/NO",  benchmark_assoc_mut<immer::vector<unsigned,basic_memory,5>>())
-NONIUS_BENCHMARK("t/vector/UN",  benchmark_assoc_mut<immer::vector<unsigned,unsafe_memory,5>>())
-NONIUS_BENCHMARK("t/flex/F/5B",  benchmark_assoc_mut<immer::flex_vector<unsigned,def_memory,5>,push_front_fn>())
-
-NONIUS_BENCHMARK("m/vector/5B",  benchmark_assoc_move<immer::vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("m/vector/GC",  benchmark_assoc_move<immer::vector<unsigned,gc_memory,5>>())
-NONIUS_BENCHMARK("m/vector/NO",  benchmark_assoc_move<immer::vector<unsigned,basic_memory,5>>())
-NONIUS_BENCHMARK("m/vector/UN",  benchmark_assoc_move<immer::vector<unsigned,unsafe_memory,5>>())
-NONIUS_BENCHMARK("m/flex/F/5B",  benchmark_assoc_move<immer::flex_vector<unsigned,def_memory,5>,push_front_fn>())
-
-NONIUS_BENCHMARK("t/vector/5B/random",  benchmark_assoc_mut_random<immer::vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("t/vector/GC/random",  benchmark_assoc_mut_random<immer::vector<unsigned,gc_memory,5>>())
-NONIUS_BENCHMARK("t/vector/NO/random",  benchmark_assoc_mut_random<immer::vector<unsigned,basic_memory,5>>())
-NONIUS_BENCHMARK("t/vector/UN/random",  benchmark_assoc_mut_random<immer::vector<unsigned,unsafe_memory,5>>())
-NONIUS_BENCHMARK("t/flex/F/5B/random",  benchmark_assoc_mut_random<immer::flex_vector<unsigned,def_memory,5>,push_front_fn>())
diff --git a/third_party/immer/benchmark/vector/misc/concat.cpp b/third_party/immer/benchmark/vector/misc/concat.cpp
deleted file mode 100644
index 9bc10c5c2309..000000000000
--- a/third_party/immer/benchmark/vector/misc/concat.cpp
+++ /dev/null
@@ -1,49 +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 "benchmark/vector/concat.hpp"
-
-#include <immer/flex_vector.hpp>
-#include <immer/flex_vector_transient.hpp>
-#include <immer/heap/gc_heap.hpp>
-#include <immer/refcount/no_refcount_policy.hpp>
-#include <immer/refcount/unsafe_refcount_policy.hpp>
-
-#if IMMER_BENCHMARK_LIBRRB
-extern "C" {
-#define restrict __restrict__
-#include <rrb.h>
-#undef restrict
-}
-#endif
-
-#if IMMER_BENCHMARK_LIBRRB
-NONIUS_BENCHMARK("librrb", benchmark_concat_librrb(make_librrb_vector))
-NONIUS_BENCHMARK("librrb/F", benchmark_concat_librrb(make_librrb_vector_f))
-NONIUS_BENCHMARK("i/librrb", benchmark_concat_incr_librrb(make_librrb_vector))
-#endif
-
-NONIUS_BENCHMARK("flex/4B", benchmark_concat<immer::flex_vector<unsigned,def_memory,4>>())
-NONIUS_BENCHMARK("flex/5B", benchmark_concat<immer::flex_vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("flex/6B", benchmark_concat<immer::flex_vector<unsigned,def_memory,6>>())
-NONIUS_BENCHMARK("flex/GC", benchmark_concat<immer::flex_vector<unsigned,gc_memory,5>>())
-NONIUS_BENCHMARK("flex_s/GC", benchmark_concat<immer::flex_vector<std::size_t,gc_memory,5>>())
-NONIUS_BENCHMARK("flex/NO", benchmark_concat<immer::flex_vector<unsigned,basic_memory,5>>())
-NONIUS_BENCHMARK("flex/UN", benchmark_concat<immer::flex_vector<unsigned,unsafe_memory,5>>())
-
-NONIUS_BENCHMARK("flex/F/5B", benchmark_concat<immer::flex_vector<unsigned,def_memory,5>,push_front_fn>())
-NONIUS_BENCHMARK("flex/F/GC", benchmark_concat<immer::flex_vector<unsigned,gc_memory,5>,push_front_fn>())
-NONIUS_BENCHMARK("flex_s/F/GC", benchmark_concat<immer::flex_vector<std::size_t,gc_memory,5>,push_front_fn>())
-
-NONIUS_BENCHMARK("i/flex/GC", benchmark_concat_incr<immer::flex_vector<unsigned,gc_memory,5>>())
-NONIUS_BENCHMARK("i/flex_s/GC", benchmark_concat_incr<immer::flex_vector<std::size_t,gc_memory,5>>())
-NONIUS_BENCHMARK("i/flex/5B", benchmark_concat_incr<immer::flex_vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("i/flex/UN", benchmark_concat_incr<immer::flex_vector<unsigned,unsafe_memory,5>>())
-
-NONIUS_BENCHMARK("m/flex/GC", benchmark_concat_incr_mut<immer::flex_vector<unsigned,gc_memory,5>>())
-NONIUS_BENCHMARK("m/flex_s/GC", benchmark_concat_incr_mut<immer::flex_vector<std::size_t,gc_memory,5>>())
diff --git a/third_party/immer/benchmark/vector/misc/drop.cpp b/third_party/immer/benchmark/vector/misc/drop.cpp
deleted file mode 100644
index c2ca48390b13..000000000000
--- a/third_party/immer/benchmark/vector/misc/drop.cpp
+++ /dev/null
@@ -1,63 +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 "benchmark/vector/drop.hpp"
-
-#include <immer/flex_vector.hpp>
-#include <immer/flex_vector_transient.hpp>
-#include <immer/heap/gc_heap.hpp>
-#include <immer/refcount/no_refcount_policy.hpp>
-#include <immer/refcount/unsafe_refcount_policy.hpp>
-
-#if IMMER_BENCHMARK_LIBRRB
-extern "C" {
-#define restrict __restrict__
-#include <rrb.h>
-#undef restrict
-}
-#endif
-
-#if IMMER_BENCHMARK_LIBRRB
-NONIUS_BENCHMARK("librrb", benchmark_drop_librrb(make_librrb_vector))
-NONIUS_BENCHMARK("librrb/F", benchmark_drop_librrb(make_librrb_vector_f))
-NONIUS_BENCHMARK("l/librrb", benchmark_drop_lin_librrb(make_librrb_vector))
-NONIUS_BENCHMARK("l/librrb/F", benchmark_drop_lin_librrb(make_librrb_vector_f))
-NONIUS_BENCHMARK("t/librrb", benchmark_drop_mut_librrb(make_librrb_vector))
-NONIUS_BENCHMARK("t/librrb/F", benchmark_drop_mut_librrb(make_librrb_vector_f))
-#endif
-
-NONIUS_BENCHMARK("flex/4B", benchmark_drop<immer::flex_vector<unsigned,def_memory,4>>())
-NONIUS_BENCHMARK("flex/5B", benchmark_drop<immer::flex_vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("flex/6B", benchmark_drop<immer::flex_vector<unsigned,def_memory,6>>())
-NONIUS_BENCHMARK("flex/GC", benchmark_drop<immer::flex_vector<unsigned,gc_memory,5>>())
-NONIUS_BENCHMARK("flex/NO", benchmark_drop<immer::flex_vector<unsigned,basic_memory,5>>())
-NONIUS_BENCHMARK("flex/UN", benchmark_drop<immer::flex_vector<unsigned,unsafe_memory,5>>())
-NONIUS_BENCHMARK("flex_s/GC", benchmark_drop<immer::flex_vector<std::size_t,gc_memory,5>>())
-
-NONIUS_BENCHMARK("flex/F/5B", benchmark_drop<immer::flex_vector<unsigned,def_memory,5>, push_front_fn>())
-NONIUS_BENCHMARK("flex/F/GC", benchmark_drop<immer::flex_vector<unsigned,gc_memory,5>, push_front_fn>())
-NONIUS_BENCHMARK("flex/F/GCF", benchmark_drop<immer::flex_vector<unsigned,gcf_memory,5>, push_front_fn>())
-NONIUS_BENCHMARK("flex_s/F/GC", benchmark_drop<immer::flex_vector<std::size_t,gc_memory,5>, push_front_fn>())
-
-NONIUS_BENCHMARK("l/flex/5B", benchmark_drop_lin<immer::flex_vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("l/flex/GC", benchmark_drop_lin<immer::flex_vector<unsigned,gc_memory,5>>())
-NONIUS_BENCHMARK("l/flex/NO", benchmark_drop_lin<immer::flex_vector<unsigned,basic_memory,5>>())
-NONIUS_BENCHMARK("l/flex/UN", benchmark_drop_lin<immer::flex_vector<unsigned,unsafe_memory,5>>())
-NONIUS_BENCHMARK("l/flex/F/5B", benchmark_drop_lin<immer::flex_vector<unsigned,def_memory,5>, push_front_fn>())
-
-NONIUS_BENCHMARK("m/flex/5B", benchmark_drop_move<immer::flex_vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("m/flex/GC", benchmark_drop_move<immer::flex_vector<unsigned,gc_memory,5>>())
-NONIUS_BENCHMARK("m/flex/NO", benchmark_drop_move<immer::flex_vector<unsigned,basic_memory,5>>())
-NONIUS_BENCHMARK("m/flex/UN", benchmark_drop_move<immer::flex_vector<unsigned,unsafe_memory,5>>())
-NONIUS_BENCHMARK("m/flex/F/5B", benchmark_drop_move<immer::flex_vector<unsigned,def_memory,5>, push_front_fn>())
-
-NONIUS_BENCHMARK("t/flex/5B", benchmark_drop_mut<immer::flex_vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("t/flex/GC", benchmark_drop_mut<immer::flex_vector<unsigned,gc_memory,5>>())
-NONIUS_BENCHMARK("t/flex/NO", benchmark_drop_mut<immer::flex_vector<unsigned,basic_memory,5>>())
-NONIUS_BENCHMARK("t/flex/UN", benchmark_drop_mut<immer::flex_vector<unsigned,unsafe_memory,5>>())
-NONIUS_BENCHMARK("t/flex/F/5B", benchmark_drop_mut<immer::flex_vector<unsigned,def_memory,5>, push_front_fn>())
diff --git a/third_party/immer/benchmark/vector/misc/push-front.cpp b/third_party/immer/benchmark/vector/misc/push-front.cpp
deleted file mode 100644
index 48b98c8ee9b1..000000000000
--- a/third_party/immer/benchmark/vector/misc/push-front.cpp
+++ /dev/null
@@ -1,30 +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 "benchmark/vector/push_front.hpp"
-
-#include <immer/flex_vector.hpp>
-
-#if IMMER_BENCHMARK_LIBRRB
-extern "C" {
-#define restrict __restrict__
-#include <rrb.h>
-#undef restrict
-}
-#endif
-
-#if IMMER_BENCHMARK_LIBRRB
-NONIUS_BENCHMARK("librrb", benchmark_push_front_librrb)
-#endif
-NONIUS_BENCHMARK("flex/4B", bechmark_push_front<immer::flex_vector<unsigned,def_memory,4>>())
-NONIUS_BENCHMARK("flex/5B", bechmark_push_front<immer::flex_vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("flex/6B", bechmark_push_front<immer::flex_vector<unsigned,def_memory,6>>())
-NONIUS_BENCHMARK("flex/GC", bechmark_push_front<immer::flex_vector<unsigned,gc_memory,5>>())
-NONIUS_BENCHMARK("flex_s/GC", bechmark_push_front<immer::flex_vector<std::size_t,gc_memory,5>>())
-NONIUS_BENCHMARK("flex/NO", bechmark_push_front<immer::flex_vector<unsigned,basic_memory,5>>())
-NONIUS_BENCHMARK("flex/UN", bechmark_push_front<immer::flex_vector<unsigned,unsafe_memory,5>>())
diff --git a/third_party/immer/benchmark/vector/misc/push.cpp b/third_party/immer/benchmark/vector/misc/push.cpp
deleted file mode 100644
index 98f57600bd78..000000000000
--- a/third_party/immer/benchmark/vector/misc/push.cpp
+++ /dev/null
@@ -1,83 +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 "benchmark/vector/push.hpp"
-
-#include <immer/array.hpp>
-#include <immer/flex_vector.hpp>
-#include <immer/vector_transient.hpp>
-#include <immer/vector.hpp>
-
-#if IMMER_BENCHMARK_EXPERIMENTAL
-#include <immer/experimental/dvektor.hpp>
-#endif
-
-#include <immer/heap/gc_heap.hpp>
-#include <immer/refcount/no_refcount_policy.hpp>
-#include <immer/refcount/unsafe_refcount_policy.hpp>
-
-#include <vector>
-#include <list>
-#include <numeric>
-
-#if IMMER_BENCHMARK_STEADY
-#define QUARK_ASSERT_ON 0
-#include <steady/steady_vector.h>
-#endif
-
-#if IMMER_BENCHMARK_LIBRRB
-extern "C" {
-#define restrict __restrict__
-#include <rrb.h>
-#undef restrict
-}
-#endif
-
-#if IMMER_BENCHMARK_LIBRRB
-NONIUS_BENCHMARK("librrb", benchmark_push_librrb)
-NONIUS_BENCHMARK("t/librrb", benchmark_push_mut_librrb)
-#endif
-
-NONIUS_BENCHMARK("std::vector", benchmark_push_mut_std<std::vector<unsigned>>())
-NONIUS_BENCHMARK("std::list",   benchmark_push_mut_std<std::list<unsigned>>())
-
-NONIUS_BENCHMARK("m/vector/5B", benchmark_push_move<immer::vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("m/vector/GC", benchmark_push_move<immer::vector<unsigned,gc_memory,5>>())
-NONIUS_BENCHMARK("m/vector/NO", benchmark_push_move<immer::vector<unsigned,basic_memory,5>>())
-
-NONIUS_BENCHMARK("t/vector/5B", benchmark_push_mut<immer::vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("t/vector/GC", benchmark_push_mut<immer::vector<unsigned,gc_memory,5>>())
-NONIUS_BENCHMARK("t/vector/NO", benchmark_push_mut<immer::vector<unsigned,basic_memory,5>>())
-NONIUS_BENCHMARK("t/vector/UN", benchmark_push_mut<immer::vector<unsigned,unsafe_memory,5>>())
-
-NONIUS_BENCHMARK("flex/5B",    benchmark_push<immer::flex_vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("flex_s/GC",  benchmark_push<immer::flex_vector<std::size_t,gc_memory,5>>())
-
-NONIUS_BENCHMARK("vector/4B",  benchmark_push<immer::vector<unsigned,def_memory,4>>())
-NONIUS_BENCHMARK("vector/5B",  benchmark_push<immer::vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("vector/6B",  benchmark_push<immer::vector<unsigned,def_memory,6>>())
-
-NONIUS_BENCHMARK("vector/GC",  benchmark_push<immer::vector<unsigned,gc_memory,5>>())
-NONIUS_BENCHMARK("vector/NO",  benchmark_push<immer::vector<unsigned,basic_memory,5>>())
-NONIUS_BENCHMARK("vector/UN",  benchmark_push<immer::vector<unsigned,unsafe_memory,5>>())
-
-#if IMMER_BENCHMARK_EXPERIMENTAL
-NONIUS_BENCHMARK("dvektor/4B", benchmark_push<immer::dvektor<unsigned,def_memory,4>>())
-NONIUS_BENCHMARK("dvektor/5B", benchmark_push<immer::dvektor<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("dvektor/6B", benchmark_push<immer::dvektor<unsigned,def_memory,6>>())
-
-NONIUS_BENCHMARK("dvektor/GC", benchmark_push<immer::dvektor<unsigned,gc_memory,5>>())
-NONIUS_BENCHMARK("dvektor/NO", benchmark_push<immer::dvektor<unsigned,basic_memory,5>>())
-NONIUS_BENCHMARK("dvektor/UN", benchmark_push<immer::dvektor<unsigned,unsafe_memory,5>>())
-#endif
-
-NONIUS_BENCHMARK("array",      benchmark_push<immer::array<unsigned>>())
-
-#if IMMER_BENCHMARK_STEADY
-NONIUS_BENCHMARK("steady",     benchmark_push<steady::vector<unsigned>>())
-#endif
diff --git a/third_party/immer/benchmark/vector/misc/take.cpp b/third_party/immer/benchmark/vector/misc/take.cpp
deleted file mode 100644
index 78f0e958db4c..000000000000
--- a/third_party/immer/benchmark/vector/misc/take.cpp
+++ /dev/null
@@ -1,65 +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 "benchmark/vector/take.hpp"
-
-#include <immer/vector.hpp>
-#include <immer/flex_vector.hpp>
-#include <immer/vector_transient.hpp>
-#include <immer/flex_vector_transient.hpp>
-#include <immer/heap/gc_heap.hpp>
-#include <immer/refcount/no_refcount_policy.hpp>
-#include <immer/refcount/unsafe_refcount_policy.hpp>
-
-#if IMMER_BENCHMARK_LIBRRB
-extern "C" {
-#define restrict __restrict__
-#include <rrb.h>
-#undef restrict
-}
-#endif
-
-#if IMMER_BENCHMARK_LIBRRB
-NONIUS_BENCHMARK("librrb", benchmark_take_librrb(make_librrb_vector))
-NONIUS_BENCHMARK("librrb/F", benchmark_take_librrb(make_librrb_vector_f))
-NONIUS_BENCHMARK("l/librrb", benchmark_take_lin_librrb(make_librrb_vector))
-NONIUS_BENCHMARK("l/librrb/F", benchmark_take_lin_librrb(make_librrb_vector_f))
-NONIUS_BENCHMARK("t/librrb", benchmark_take_mut_librrb(make_librrb_vector))
-NONIUS_BENCHMARK("t/librrb/F", benchmark_take_mut_librrb(make_librrb_vector_f))
-#endif
-
-NONIUS_BENCHMARK("vector/4B", benchmark_take<immer::vector<unsigned,def_memory,4>>())
-NONIUS_BENCHMARK("vector/5B", benchmark_take<immer::vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("vector/6B", benchmark_take<immer::vector<unsigned,def_memory,6>>())
-NONIUS_BENCHMARK("vector/GC", benchmark_take<immer::vector<unsigned,gc_memory,5>>())
-NONIUS_BENCHMARK("vector/NO", benchmark_take<immer::vector<unsigned,basic_memory,5>>())
-NONIUS_BENCHMARK("vector/UN", benchmark_take<immer::vector<unsigned,unsafe_memory,5>>())
-NONIUS_BENCHMARK("vector_s/GC", benchmark_take<immer::vector<std::size_t,gc_memory,5>>())
-
-NONIUS_BENCHMARK("flex/F/5B", benchmark_take<immer::flex_vector<unsigned,def_memory,5>, push_front_fn>())
-NONIUS_BENCHMARK("flex/F/GC", benchmark_take<immer::flex_vector<unsigned,gc_memory,5>, push_front_fn>())
-NONIUS_BENCHMARK("flex/F/GCF", benchmark_take<immer::flex_vector<unsigned,gcf_memory,5>, push_front_fn>())
-NONIUS_BENCHMARK("flex_s/F/GC", benchmark_take<immer::flex_vector<std::size_t,gc_memory,5>, push_front_fn>())
-
-NONIUS_BENCHMARK("l/vector/5B", benchmark_take_lin<immer::vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("l/vector/GC", benchmark_take_lin<immer::vector<unsigned,gc_memory,5>>())
-NONIUS_BENCHMARK("l/vector/NO", benchmark_take_lin<immer::vector<unsigned,basic_memory,5>>())
-NONIUS_BENCHMARK("l/vector/UN", benchmark_take_lin<immer::vector<unsigned,unsafe_memory,5>>())
-NONIUS_BENCHMARK("l/flex/F/5B", benchmark_take_lin<immer::flex_vector<unsigned,def_memory,5>, push_front_fn>())
-
-NONIUS_BENCHMARK("m/vector/5B", benchmark_take_move<immer::vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("m/vector/GC", benchmark_take_move<immer::vector<unsigned,gc_memory,5>>())
-NONIUS_BENCHMARK("m/vector/NO", benchmark_take_move<immer::vector<unsigned,basic_memory,5>>())
-NONIUS_BENCHMARK("m/vector/UN", benchmark_take_move<immer::vector<unsigned,unsafe_memory,5>>())
-NONIUS_BENCHMARK("m/flex/F/5B", benchmark_take_move<immer::flex_vector<unsigned,def_memory,5>, push_front_fn>())
-
-NONIUS_BENCHMARK("t/vector/5B", benchmark_take_mut<immer::vector<unsigned,def_memory,5>>())
-NONIUS_BENCHMARK("t/vector/GC", benchmark_take_mut<immer::vector<unsigned,gc_memory,5>>())
-NONIUS_BENCHMARK("t/vector/NO", benchmark_take_mut<immer::vector<unsigned,basic_memory,5>>())
-NONIUS_BENCHMARK("t/vector/UN", benchmark_take_mut<immer::vector<unsigned,unsafe_memory,5>>())
-NONIUS_BENCHMARK("t/flex/F/5B", benchmark_take_mut<immer::flex_vector<unsigned,def_memory,5>, push_front_fn>())