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, 599 deletions

diff --git a/third_party/immer/test/flex_vector/generic.ipp b/third_party/immer/test/flex_vector/generic.ipp
deleted file mode 100644
index 6dbd73f07cb6..000000000000
--- a/third_party/immer/test/flex_vector/generic.ipp
+++ /dev/null
@@ -1,599 +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 "test/dada.hpp"
-#include "test/transient_tester.hpp"
-#include "test/util.hpp"
-
-#include <immer/algorithm.hpp>
-
-#include <boost/range/adaptors.hpp>
-#include <boost/range/irange.hpp>
-#include <catch.hpp>
-
-#include <algorithm>
-#include <array>
-#include <numeric>
-#include <vector>
-
-#ifndef FLEX_VECTOR_T
-#error "define the vector template to use in FLEX_VECTOR_T"
-#endif
-
-#ifndef VECTOR_T
-#error "define the vector template to use in VECTOR_T"
-#endif
-
-template <typename V = FLEX_VECTOR_T<unsigned>>
-auto make_test_flex_vector(unsigned min, unsigned max)
-{
-    auto v = V{};
-    for (auto i = min; i < max; ++i)
-        v = v.push_back({i});
-    return v;
-}
-
-template <typename V = FLEX_VECTOR_T<unsigned>>
-auto make_test_flex_vector_front(unsigned min, unsigned max)
-{
-    auto v = V{};
-    for (auto i = max; i > min;)
-        v = v.push_front({--i});
-    return v;
-}
-
-template <std::size_t N>
-auto make_many_test_flex_vector()
-{
-    using vektor_t = FLEX_VECTOR_T<unsigned>;
-    auto many      = std::array<vektor_t, N>{};
-    std::generate_n(many.begin(), N, [v = vektor_t{}, i = 0u]() mutable {
-        auto r = v;
-        v      = v.push_back(i++);
-        return r;
-    });
-    return many;
-}
-
-template <std::size_t N>
-auto make_many_test_flex_vector_front()
-{
-    using vektor_t = FLEX_VECTOR_T<unsigned>;
-    auto many      = std::array<vektor_t, N>{};
-    std::generate_n(many.begin(), N, [i = 0u]() mutable {
-        return make_test_flex_vector_front(0, i++);
-    });
-    return many;
-}
-
-template <std::size_t N>
-auto make_many_test_flex_vector_front_remainder()
-{
-    using vektor_t = FLEX_VECTOR_T<unsigned>;
-    auto many      = std::array<vektor_t, N>{};
-    std::generate_n(many.begin(), N, [v = vektor_t{}, i = N - 1]() mutable {
-        auto r = v;
-        v      = v.push_front(--i);
-        return r;
-    });
-    return many;
-}
-
-TEST_CASE("set relaxed")
-{
-    auto v = make_test_flex_vector_front(0, 666u);
-    for (decltype(v.size()) i = 0; i < v.size(); ++i) {
-        v = v.set(i, i + 1);
-        CHECK(v[i] == i + 1);
-    }
-}
-
-TEST_CASE("push_front")
-{
-    const auto n = 666u;
-    auto v       = FLEX_VECTOR_T<unsigned>{};
-
-    for (auto i = 0u; i < n; ++i) {
-        v = v.push_front(i);
-        CHECK(v.size() == i + 1);
-        for (decltype(v.size()) j = 0; j < v.size(); ++j)
-            CHECK(v[v.size() - j - 1] == j);
-    }
-}
-
-TEST_CASE("concat")
-{
-#if IMMER_SLOW_TESTS
-    constexpr auto n = 666u;
-#else
-    constexpr auto n = 101u;
-#endif
-
-    auto all_lhs = make_many_test_flex_vector<n>();
-    auto all_rhs = make_many_test_flex_vector_front_remainder<n>();
-
-    SECTION("regular plus regular")
-    {
-        for (auto i : test_irange(0u, n)) {
-            auto c = all_lhs[i] + all_lhs[i];
-            CHECK_VECTOR_EQUALS(
-                c, boost::join(boost::irange(0u, i), boost::irange(0u, i)));
-        }
-    }
-
-    SECTION("regular plus relaxed")
-    {
-        for (auto i : test_irange(0u, n)) {
-            auto c = all_lhs[i] + all_rhs[n - i - 1];
-            CHECK_VECTOR_EQUALS(c, boost::irange(0u, n - 1));
-        }
-    }
-}
-
-auto make_flex_vector_concat(std::size_t min, std::size_t max)
-{
-    using vektor_t = FLEX_VECTOR_T<unsigned>;
-
-    if (max == min)
-        return vektor_t{};
-    else if (max == min + 1)
-        return vektor_t{}.push_back(min);
-    else {
-        auto mid = min + (max - min) / 2;
-        return make_flex_vector_concat(min, mid) +
-               make_flex_vector_concat(mid, max);
-    }
-}
-
-TEST_CASE("concat recursive")
-{
-    const auto n = 666u;
-    auto v       = make_flex_vector_concat(0, n);
-    CHECK_VECTOR_EQUALS(v, boost::irange(0u, n));
-}
-
-TEST_CASE("insert")
-{
-    SECTION("normal")
-    {
-        const auto n = 666u;
-        auto v       = make_test_flex_vector(0, n);
-        v            = v.insert(42, 100);
-        CHECK_VECTOR_EQUALS(v,
-                            boost::join(boost::irange(0u, 42u),
-                                        boost::join(boost::irange(100u, 101u),
-                                                    boost::irange(42u, n))));
-    }
-
-    SECTION("move")
-    {
-        const auto n = 666u;
-        auto v       = make_test_flex_vector(0, n);
-        v            = std::move(v).insert(42, 100);
-        CHECK_VECTOR_EQUALS(v,
-                            boost::join(boost::irange(0u, 42u),
-                                        boost::join(boost::irange(100u, 101u),
-                                                    boost::irange(42u, n))));
-    }
-
-    SECTION("vec")
-    {
-        const auto n = 666u;
-        auto v       = make_test_flex_vector(0, n);
-        v            = std::move(v).insert(42, {100, 101, 102});
-        CHECK_VECTOR_EQUALS(v,
-                            boost::join(boost::irange(0u, 42u),
-                                        boost::join(boost::irange(100u, 103u),
-                                                    boost::irange(42u, n))));
-    }
-
-    SECTION("vec move")
-    {
-        const auto n = 666u;
-        auto v       = make_test_flex_vector(0, n);
-        v            = std::move(v).insert(42, {100, 101, 102});
-        CHECK_VECTOR_EQUALS(v,
-                            boost::join(boost::irange(0u, 42u),
-                                        boost::join(boost::irange(100u, 103u),
-                                                    boost::irange(42u, n))));
-    }
-}
-
-TEST_CASE("erase")
-{
-    const auto n = 666u;
-    auto v       = make_test_flex_vector(0, n);
-    auto vv      = v.erase(0);
-    CHECK_VECTOR_EQUALS(vv, boost::irange(1u, n));
-    CHECK_VECTOR_EQUALS(v.erase(v.size() - 1), boost::irange(0u, n - 1));
-    CHECK_VECTOR_EQUALS(v.erase(v.size() - 1), boost::irange(0u, n - 1));
-    CHECK_VECTOR_EQUALS(
-        v.erase(42),
-        boost::join(boost::irange(0u, 42u), boost::irange(43u, n)));
-    CHECK_VECTOR_EQUALS(v.erase(v.size() - 1, v.size()),
-                        boost::irange(0u, n - 1));
-    CHECK_VECTOR_EQUALS(v.erase(0, 0), boost::irange(0u, n));
-    CHECK_VECTOR_EQUALS(
-        v.erase(42, 50),
-        boost::join(boost::irange(0u, 42u), boost::irange(50u, n)));
-}
-
-TEST_CASE("accumulate relaxed")
-{
-    auto expected_n = [](auto n) { return n * (n - 1) / 2; };
-    auto expected_i = [&](auto i, auto n) {
-        return expected_n(n) - expected_n(i);
-    };
-
-    SECTION("sum")
-    {
-        const auto n = 666u;
-        auto v       = make_test_flex_vector_front(0, n);
-
-        auto sum      = immer::accumulate(v, 0u);
-        auto expected = v.size() * (v.size() - 1) / 2;
-        CHECK(sum == expected);
-    }
-
-    SECTION("sum complex")
-    {
-        const auto n = 20u;
-
-        auto v = FLEX_VECTOR_T<unsigned>{};
-        for (auto i = 0u; i < n; ++i)
-            v = v.push_front(i) + v;
-
-        auto sum      = immer::accumulate(v, 0u);
-        auto expected = (1 << n) - n - 1;
-        CHECK(sum == expected);
-    }
-
-    SECTION("sum range")
-    {
-        using namespace std;
-        const auto n = 666u;
-        auto v       = make_test_flex_vector_front(0, n);
-        {
-            auto sum = immer::accumulate(begin(v) + 100, begin(v) + 300, 0u);
-            CHECK(sum == expected_i(100, 300));
-        }
-        {
-            auto sum = immer::accumulate(begin(v) + 31, begin(v) + 300, 0u);
-            CHECK(sum == expected_i(31, 300));
-        }
-        {
-            auto sum = immer::accumulate(begin(v), begin(v) + 33, 0u);
-            CHECK(sum == expected_i(0, 33));
-        }
-        {
-            auto sum = immer::accumulate(begin(v) + 100, begin(v) + 660, 0u);
-            CHECK(sum == expected_i(100, 660));
-        }
-        {
-            auto sum = immer::accumulate(begin(v) + 100, begin(v) + 105, 0u);
-            CHECK(sum == expected_i(100, 105));
-        }
-        {
-            auto sum = immer::accumulate(begin(v) + 660, begin(v) + 664, 0u);
-            CHECK(sum == expected_i(660, 664));
-        }
-    }
-}
-
-TEST_CASE("equals")
-{
-    const auto n = 666u;
-    auto v       = make_test_flex_vector_front(0, n);
-
-    CHECK(v == v);
-    CHECK(v == v.set(42, 42));
-    CHECK(v != v.set(42, 24));
-    CHECK(v == v.set(42, 24).set(42, 42));
-    CHECK(v.set(42, 24) == v.set(42, 24));
-    CHECK(v != v.push_back(7));
-    CHECK(v.push_back(7) == v.push_back(7));
-    CHECK(v.push_back(5) != v.push_back(7));
-    CHECK(v != v.set(v.size() - 2, 24));
-    CHECK(v == v.set(v.size() - 2, 24).set(v.size() - 2, v[v.size() - 2]));
-    CHECK(v == v.insert(42, 12).erase(42));
-    CHECK(v == v.insert(0, 12).erase(0));
-}
-
-TEST_CASE("equals bugs")
-{
-    {
-        const auto n = 666u;
-        auto v       = make_test_flex_vector(0, n);
-        CHECK(v == v.insert(42, 12).erase(42));
-        CHECK(v == v.insert(0, 12).erase(0));
-    }
-    {
-        const auto n = 30u;
-        auto v       = make_test_flex_vector(0, n);
-        CHECK(v == v.insert(10, 12).erase(10));
-        CHECK(v == v.insert(0, 12).erase(0));
-    }
-    {
-        const auto n = 666u;
-        auto v       = make_test_flex_vector(0, n);
-        for (auto i : test_irange(0u, n))
-            CHECK(v == v.insert(i, 42).erase(i));
-    }
-    {
-        const auto n = 666u;
-        auto v       = make_test_flex_vector_front(0, n);
-        for (auto i : test_irange(0u, n))
-            CHECK(v == v.insert(i, 42).erase(i));
-    }
-    {
-        const auto n = 666u;
-        auto v       = FLEX_VECTOR_T<unsigned>{};
-        using size_t = decltype(v.size());
-        for (auto i : test_irange(0u, n)) {
-            while (v.size() < i)
-                v = std::move(v).push_back(i);
-            auto vv = v;
-            for (auto j : test_irange(size_t{}, v.size())) {
-                auto vz = vv.insert(j, 42).erase(j);
-                CHECK(v == vz);
-                CHECK(vv == vz);
-                vv = vz;
-            }
-        }
-    }
-}
-
-TEST_CASE("take relaxed")
-{
-    const auto n = 666u;
-    auto v       = make_test_flex_vector_front(0, n);
-
-    for (auto i : test_irange(0u, n)) {
-        auto vv = v.take(i);
-        CHECK_VECTOR_EQUALS_RANGE(vv, v.begin(), v.begin() + i);
-    }
-}
-
-TEST_CASE("drop")
-{
-    const auto n = 666u;
-
-    SECTION("regular")
-    {
-        auto v = make_test_flex_vector(0, n);
-
-        for (auto i : test_irange(0u, n)) {
-            auto vv = v.drop(i);
-            CHECK_VECTOR_EQUALS_RANGE(vv, v.begin() + i, v.end());
-        }
-    }
-
-    SECTION("relaxed")
-    {
-        auto v = make_test_flex_vector_front(0, n);
-
-        for (auto i : test_irange(0u, n)) {
-            auto vv = v.drop(i);
-            CHECK_VECTOR_EQUALS_RANGE(vv, v.begin() + i, v.end());
-        }
-    }
-}
-
-#if IMMER_SLOW_TESTS
-TEST_CASE("reconcat")
-{
-    constexpr auto n = 666u;
-    auto v           = make_test_flex_vector_front(0, n);
-    auto all_lhs     = make_many_test_flex_vector_front<n + 1>();
-    auto all_rhs     = make_many_test_flex_vector_front_remainder<n + 1>();
-
-    for (auto i = 0u; i < n; ++i) {
-        auto vv = all_lhs[i] + all_rhs[n - i];
-        CHECK_VECTOR_EQUALS(vv, v);
-        CHECK_SLOW(vv == v);
-    }
-}
-
-TEST_CASE("reconcat drop")
-{
-    constexpr auto n = 666u;
-    auto v           = make_test_flex_vector_front(0, n);
-    auto all_lhs     = make_many_test_flex_vector_front<n + 1>();
-
-    for (auto i = 0u; i < n; ++i) {
-        auto vv = all_lhs[i] + v.drop(i);
-        CHECK_VECTOR_EQUALS(vv, v);
-        CHECK_SLOW(vv == v);
-    }
-}
-
-TEST_CASE("reconcat take")
-{
-    constexpr auto n = 666u;
-    auto v           = make_test_flex_vector_front(0, n);
-    auto all_rhs     = make_many_test_flex_vector_front_remainder<n + 1>();
-
-    for (auto i = 0u; i < n; ++i) {
-        auto vv = v.take(i) + all_rhs[n - i];
-        CHECK_VECTOR_EQUALS(vv, v);
-        CHECK_SLOW(vv == v);
-    }
-}
-#endif
-
-TEST_CASE("reconcat take drop")
-{
-    const auto n = 666u;
-    auto v       = make_test_flex_vector_front(0, n);
-
-    for (auto i : test_irange(0u, n)) {
-        auto vv = v.take(i) + v.drop(i);
-        CHECK_VECTOR_EQUALS(vv, v);
-        CHECK_SLOW(vv == v);
-    }
-}
-
-TEST_CASE("reconcat take drop feedback")
-{
-    const auto n = 666u;
-    auto v       = make_test_flex_vector_front(0, n);
-    auto vv      = v;
-    for (auto i : test_irange(0u, n)) {
-        vv = vv.take(i) + vv.drop(i);
-        CHECK_VECTOR_EQUALS(vv, v);
-        CHECK_SLOW(vv == v);
-    }
-}
-
-TEST_CASE("iterator relaxed")
-{
-    const auto n = 666u;
-    auto v       = make_test_flex_vector_front(0, n);
-
-    SECTION("works with range loop")
-    {
-        auto i = 0u;
-        for (const auto& x : v)
-            CHECK(x == i++);
-        CHECK(i == v.size());
-    }
-
-    SECTION("works with standard algorithms")
-    {
-        auto s = std::vector<unsigned>(n);
-        std::iota(s.begin(), s.end(), 0u);
-        std::equal(v.begin(), v.end(), s.begin(), s.end());
-    }
-
-    SECTION("can go back from end")
-    {
-        auto expected = n - 1;
-        CHECK(expected == *--v.end());
-    }
-
-    SECTION("works with reversed range adaptor")
-    {
-        auto r = v | boost::adaptors::reversed;
-        auto i = n;
-        for (const auto& x : r)
-            CHECK(x == --i);
-    }
-
-    SECTION("works with strided range adaptor")
-    {
-        auto r = v | boost::adaptors::strided(5);
-        auto i = 0u;
-        for (const auto& x : r)
-            CHECK(x == 5 * i++);
-    }
-
-    SECTION("works reversed")
-    {
-        auto i = n;
-        for (auto iter = v.rbegin(), last = v.rend(); iter != last; ++iter)
-            CHECK(*iter == --i);
-    }
-
-    SECTION("advance and distance")
-    {
-        auto i1 = v.begin();
-        auto i2 = i1 + 100;
-        CHECK(100u == *i2);
-        CHECK(100 == i2 - i1);
-        CHECK(50u == *(i2 - 50));
-        CHECK(-30 == (i2 - 30) - i2);
-    }
-}
-
-TEST_CASE("adopt regular vector contents")
-{
-    const auto n = 666u;
-    auto v       = VECTOR_T<unsigned>{};
-    for (auto i = 0u; i < n; ++i) {
-        v       = v.push_back(i);
-        auto fv = FLEX_VECTOR_T<unsigned>{v};
-        CHECK_VECTOR_EQUALS_AUX(v, fv, [](auto&& v) { return &v; });
-    }
-}
-
-TEST_CASE("exception safety relaxed")
-{
-    using dadaist_vector_t =
-        typename dadaist_wrapper<FLEX_VECTOR_T<unsigned>>::type;
-    constexpr auto n = 666u;
-
-    SECTION("push back")
-    {
-        auto half = n / 2;
-        auto v    = make_test_flex_vector_front<dadaist_vector_t>(0, half);
-        auto d    = dadaism{};
-        for (auto i = half; v.size() < static_cast<decltype(v.size())>(n);) {
-            auto s = d.next();
-            try {
-                v = v.push_back({i});
-                ++i;
-            } catch (dada_error) {}
-            CHECK_VECTOR_EQUALS(v, boost::irange(0u, i));
-        }
-        CHECK(d.happenings > 0);
-        IMMER_TRACE_E(d.happenings);
-    }
-
-    SECTION("update")
-    {
-        auto v = make_test_flex_vector_front<dadaist_vector_t>(0, n);
-        auto d = dadaism{};
-        for (auto i = 0u; i < n;) {
-            auto s = d.next();
-            try {
-                v = v.update(i, [](auto x) { return dada(), x + 1; });
-                ++i;
-            } catch (dada_error) {}
-            CHECK_VECTOR_EQUALS(
-                v, boost::join(boost::irange(1u, 1u + i), boost::irange(i, n)));
-        }
-        CHECK(d.happenings > 0);
-        IMMER_TRACE_E(d.happenings);
-    }
-
-    SECTION("take")
-    {
-        auto v = make_test_flex_vector_front<dadaist_vector_t>(0, n);
-        auto d = dadaism{};
-        for (auto i = 0u; i < n;) {
-            auto s = d.next();
-            auto r = dadaist_vector_t{};
-            try {
-                r = v.take(i);
-                CHECK_VECTOR_EQUALS(r, boost::irange(0u, i++));
-            } catch (dada_error) {
-                CHECK_VECTOR_EQUALS(r, boost::irange(0u, 0u));
-            }
-        }
-        CHECK(d.happenings > 0);
-        IMMER_TRACE_E(d.happenings);
-    }
-
-    SECTION("concat")
-    {
-        auto v = make_test_flex_vector<dadaist_vector_t>(0, n);
-        auto d = dadaism{};
-        for (auto i = 0u; i < n;) {
-            auto lhs = v.take(i);
-            auto rhs = v.drop(i);
-            auto s   = d.next();
-            try {
-                v = lhs + rhs;
-                ++i;
-            } catch (dada_error) {}
-            CHECK_VECTOR_EQUALS(v, boost::irange(0u, n));
-        }
-        CHECK(d.happenings > 0);
-        IMMER_TRACE_E(d.happenings);
-    }
-}