newtype: release version 1.1.0v1.1.0master

27 files changed, 2012 insertions, 1316 deletions

diff --git a/.readthedocs.yml b/.readthedocs.yml
index 6514c09..6dd17ed 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -8,7 +8,9 @@ formats:
 
 python:
   version: 3.7
+  install:
+    - requirements: doc/requirements.txt
 
 sphinx:
   builder: singlehtml
-  configuration: doc/src/conf.py
\ No newline at end of file
+  configuration: doc/src/conf.py
diff --git a/.travis.yml b/.travis.yml
index 5091396..f523e70 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -6,26 +6,37 @@ dist: bionic
 addons:
   apt:
     sources:
-      - sourceline: "ppa:ubuntu-toolchain-r/test"
-    packages: ['g++-9']
+      - sourceline: 'ppa:ubuntu-toolchain-r/test'
+      - sourceline: 'deb https://apt.kitware.com/ubuntu/ bionic main'
+        key_url: 'https://apt.kitware.com/keys/kitware-archive-latest.asc'
+    packages:
+      - g++-9
+      - cmake
+      - libperlio-gzip-perl
+      - libjson-perl
 
 compiler:
   - gcc
 
-env:
-  - CXX=g++-9
-
 cache:
   directories:
     - $HOME/.conan/data
 
+before_install:
+  - sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-9 20
+  - sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-9 20
+  - sudo update-alternatives --install /usr/bin/gcov gcov /usr/bin/gcov-9 20  
+  - sudo update-alternatives --config gcc
+  - sudo update-alternatives --config g++
+  - sudo update-alternatives --config gcov
+
 install:
   - pip install conan
   - conan user
+  - git clone git://github.com/linux-test-project/lcov.git
+  - cd lcov && sudo make install
+  - cd ..
 
 script:
-  - mkdir -p build
-  - cd build
-  - cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo -DBUILD_TESTING=ON .. 
-  - cmake --build . --target all
-  - ctest
+  - /usr/bin/cmake -S . -B build -DCMAKE_BUILD_TYPE=RelWithDebInfo -DBUILD_TESTING=YES -DRUN_TESTS_AFTER_BUILD=YES -DENABLE_CODE_COVERAGE=YES -DPRINT_COVERAGE_REPORT=YES
+  - /usr/bin/cmake --build build --target all --parallel $(nproc)
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 8caed1c..d237db4 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,75 +1,15 @@
 {
-    "files.associations": {
-        ".clang-format": "yaml",
-        "array": "cpp",
-        "chrono": "cpp",
-        "functional": "cpp",
-        "istream": "cpp",
-        "ostream": "cpp",
-        "ratio": "cpp",
-        "tuple": "cpp",
-        "type_traits": "cpp",
-        "utility": "cpp",
-        "variant": "cpp",
-        "atomic": "cpp",
-        "hash_map": "cpp",
-        "bit": "cpp",
-        "*.tcc": "cpp",
-        "cctype": "cpp",
-        "clocale": "cpp",
-        "cmath": "cpp",
-        "condition_variable": "cpp",
-        "cstdarg": "cpp",
-        "cstddef": "cpp",
-        "cstdint": "cpp",
-        "cstdio": "cpp",
-        "cstdlib": "cpp",
-        "cstring": "cpp",
-        "ctime": "cpp",
-        "cwchar": "cpp",
-        "cwctype": "cpp",
-        "deque": "cpp",
-        "list": "cpp",
-        "map": "cpp",
-        "set": "cpp",
-        "unordered_map": "cpp",
-        "vector": "cpp",
-        "exception": "cpp",
-        "algorithm": "cpp",
-        "iterator": "cpp",
-        "memory": "cpp",
-        "memory_resource": "cpp",
-        "numeric": "cpp",
-        "optional": "cpp",
-        "random": "cpp",
-        "string": "cpp",
-        "string_view": "cpp",
-        "system_error": "cpp",
-        "fstream": "cpp",
-        "initializer_list": "cpp",
-        "iomanip": "cpp",
-        "iosfwd": "cpp",
-        "iostream": "cpp",
-        "limits": "cpp",
-        "mutex": "cpp",
-        "new": "cpp",
-        "sstream": "cpp",
-        "stdexcept": "cpp",
-        "streambuf": "cpp",
-        "thread": "cpp",
-        "cfenv": "cpp",
-        "cinttypes": "cpp",
-        "typeinfo": "cpp",
-        "valarray": "cpp",
-        "*.ipp": "cpp",
-        "bitset": "cpp",
-        "netfwd": "cpp"
-    },
+    // CMake Configuration
     "cmake.configureArguments": "-DCMAKE_EXPORT_COMPILE_COMMANDS=YES",
     "cmake.cpptools.intelliSenseMode": "gcc-x64",
     "cmake.cpptools.guessSourceFileConfigurations": true,
+
+    // C++ Configuration
     "[cpp]": {
         "editor.formatOnSave": true
     },
+    "C_Cpp.autoAddFileAssociations": false,
+
+    // RST Configuration
     "restructuredtext.confPath": "${workspaceFolder}/doc/src"
 }
\ No newline at end of file
diff --git a/CMakeLists.txt b/CMakeLists.txt
index ba03c5f..3c29a76 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,19 +1,21 @@
 cmake_minimum_required(VERSION "3.9.0")
 
 project("newtype"
-  VERSION "1.0.2"
+  VERSION "1.1.0"
   LANGUAGES CXX
   DESCRIPTION "A library of types and functions to create strong type aliases"
 )
 
-set(CMAKE_CXX_STANDARD "20")
-set(CMAKE_CXX_STANDARD_REQUIRED YES)
-set(CMAKE_CXX_EXTENSIONS OFF)
-set(CMAKE_INTERPROCEDURAL_OPTIMIZATION ON)
-
-include("CTest")
 include("CMakePackageConfigHelpers")
 
+# Project Options
+
+option(RUN_TESTS_AFTER_BUILD "Automatically run the unit tests after building" ON)
+option(BUILD_TESTING "Build the unit tests" ON)
+option(ENABLE_CODE_COVERAGE "Enable building support for code coverage report generation" ON)
+option(PRINT_COVERAGE_REPORT "Print a coverage report after running the unit tests" ON)
+option(GENERATE_COVERAGE_REPORT "Generate an HTML coverage report after running the unit tests" OFF)
+
 # 'newtype' library
 
 add_library("${PROJECT_NAME}" INTERFACE)
@@ -23,6 +25,10 @@ target_include_directories("${PROJECT_NAME}" INTERFACE
   $<INSTALL_INTERFACE:include>
 )
 
+target_compile_features("${PROJECT_NAME}" INTERFACE
+  "cxx_std_20"
+)
+
 install(TARGETS "${PROJECT_NAME}"
   EXPORT "${PROJECT_NAME}Targets"
   PUBLIC_HEADER DESTINATION "include"
@@ -35,12 +41,31 @@ install(DIRECTORY "${PROJECT_SOURCE_DIR}/include/"
 # 'newtype' tests
 
 if(BUILD_TESTING)
+  enable_testing()
+
+  if(PRINT_COVERAGE_REPORT)
+    find_program(LCOV_EXE NAMES "lcov")
+    mark_as_advanced(LCOV_EXE)
+    if(NOT LCOV_EXE)
+      message(FATAL_ERROR "lcov is required to generate code coverage reports")
+    endif()
+  endif()
+
+  if(GENERATE_COVERAGE_REPORT)
+    find_program(GENHTML_EXE NAMES "genhtml")
+    mark_as_advanced(GENHTML_EXE)
+    if(NOT GENHTML_EXE)
+      message(FATAL_ERROR "genhtml is required to generate code coverage reports")
+    endif()
+  endif()
+
   include("${PROJECT_SOURCE_DIR}/cmake/Modules/DiscoverTests.cmake")
   include("${PROJECT_SOURCE_DIR}/cmake/Modules/Conan.cmake")
 
   conan_check(REQUIRED)
   conan_add_remote(NAME "fmorgner-public" URL "https://api.bintray.com/conan/fmorgner/conan-public")
   conan_cmake_run(CONANFILE "conanfile.py"
+    OUTPUT_QUIET
     BASIC_SETUP
     CMAKE_TARGETS
     BUILD "missing"
@@ -56,6 +81,7 @@ if(BUILD_TESTING)
     "${PROJECT_SOURCE_DIR}/test/src/equality_comparison_suite.cpp"
     "${PROJECT_SOURCE_DIR}/test/src/hash_suite.cpp"
     "${PROJECT_SOURCE_DIR}/test/src/io_operators_suite.cpp"
+    "${PROJECT_SOURCE_DIR}/test/src/iterable_suite.cpp"
     "${PROJECT_SOURCE_DIR}/test/src/new_type_constructor_suite.cpp"
     "${PROJECT_SOURCE_DIR}/test/src/relational_operators_suite.cpp"
     )
@@ -75,16 +101,78 @@ if(BUILD_TESTING)
     "-Wextra"
     "-Werror"
     "-pedantic-errors"
+    $<$<BOOL:${ENABLE_CODE_COVERAGE}>:--coverage>
   )
 
-  discover_tests(TARGET "${PROJECT_NAME}_tests")
+  target_link_options("${PROJECT_NAME}_tests" PRIVATE
+    $<$<BOOL:${ENABLE_CODE_COVERAGE}>:--coverage>
+  )
 
-  add_custom_target("run_all_tests"
-    COMMAND ${CMAKE_CTEST_COMMAND} "--output-on-failure"
-    WORKING_DIRECTORY ${PROJECT_BINARY_DIR}
-    DEPENDS "newtype_tests"
-    COMMENT "Running unit tests"
+  set_target_properties("${PROJECT_NAME}_tests" PROPERTIES
+    CXX_EXTENSIONS OFF
   )
+
+  discover_tests(TARGET "${PROJECT_NAME}_tests")
+
+  if(RUN_TESTS_AFTER_BUILD)
+    add_custom_command(TARGET "${PROJECT_NAME}_tests"
+      POST_BUILD
+      DEPENDS "${PROJECT_NAME}_tests"
+      COMMAND "${CMAKE_CTEST_COMMAND}"
+      ARGS
+      "--output-on-failure"
+      WORKING_DIRECTORY "${PROJECT_BINARY_DIR}"
+      COMMENT "Running unit tests"
+    )
+  endif()
+
+  if(ENABLE_CODE_COVERAGE AND RUN_TESTS_AFTER_BUILD)
+    add_custom_command(TARGET "${PROJECT_NAME}_tests"
+      POST_BUILD
+      BYPRODUCTS "${PROJECT_BINARY_DIR}/${PROJECT_NAME}.coverage.info"
+      COMMAND "${LCOV_EXE}"
+      ARGS
+      "--capture"
+      "--base-directory" "${PROJECT_SOURCE_DIR}"
+      "--directory" "${PROJECT_BINARY_DIR}"
+      "--output-file" "${PROJECT_NAME}.coverage.info"
+      "--no-external"
+      "--exclude" "${PROJECT_SOURCE_DIR}/test/\\*"
+      ">/dev/null"
+      WORKING_DIRECTORY "${PROJECT_BINARY_DIR}"
+      COMMENT "Capturing code coverage data"
+    )
+
+    if(PRINT_COVERAGE_REPORT)
+      add_custom_command(TARGET "${PROJECT_NAME}_tests"
+        POST_BUILD
+        COMMAND "${LCOV_EXE}"
+        ARGS
+        "--list"
+        "${PROJECT_NAME}.coverage.info"
+        WORKING_DIRECTORY "${PROJECT_BINARY_DIR}"
+        COMMENT "Printing code coverage report"
+      )
+    endif()
+
+    if(GENERATE_COVERAGE_REPORT)
+      add_custom_command(TARGET "${PROJECT_NAME}_tests"
+        POST_BUILD
+        BYPRODUCTS "${PROJECT_BINARY_DIR}/coverage-report/index.html"
+        COMMAND "${GENHTML_EXE}"
+        ARGS
+        "--demangle-cpp"
+        "--highlight"
+        "--missed"
+        "--show-details"
+        "--output" "coverage-report"
+        "${PROJECT_NAME}.coverage.info"
+        ">/dev/null"
+        WORKING_DIRECTORY "${PROJECT_BINARY_DIR}"
+        COMMENT "Generating code coverage report"
+      )
+    endif()
+    endif()
 endif()
 
 # 'newtype' docs
@@ -93,13 +181,16 @@ option(BUILD_DOCS "Build the library documentation" OFF)
 
 if(BUILD_DOCS)
   find_program(PIPENV_EXE NAMES "pipenv3" "pipenv")
+  mark_as_advanced(PIPENV_EXE)
   if(NOT PIPENV_EXE)
     message(FATAL_ERROR "Could not find pipenv")
   endif()
 
-  execute_process(COMMAND "${PIPENV_EXE}" "install"
+  message(STATUS "Installing documentation dependencies via pipenv")
+  execute_process(COMMAND "${PIPENV_EXE}" "install" "-r" "requirements.txt"
     WORKING_DIRECTORY "${PROJECT_SOURCE_DIR}/doc"
     OUTPUT_QUIET
+    ERROR_QUIET
   )
 
   set(DOC_SOURCES
diff --git a/LICENSE b/LICENSE
index 3959b78..18858da 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2019, Felix Morgner <felix.morgner@gmail.com>, all rights reserved
+Copyright (c) 2020, Felix Morgner <felix.morgner@gmail.com>, all rights reserved
 
 Redistribution and use in source and binary forms, with or without modification,
 are permitted provided that the following conditions are met:
diff --git a/conanfile.py b/conanfile.py
index 8b3e147..000831e 100644
--- a/conanfile.py
+++ b/conanfile.py
@@ -4,11 +4,11 @@ from conans import ConanFile, CMake
 from conans.tools import load
 
 
-def get_version():
+def read_project_property(property):
     try:
-        content = load("CMakeLists.txt")
-        version = re.search("project\(\"newtype\"\s*VERSION \"(.*)\"", content).group(1)
-        return version.strip()
+        cmake_lists = load("CMakeLists.txt")
+        value = re.search(r"project\(.*{} \"(.*?)\"".format(property), cmake_lists, re.S).group(1)
+        return value.strip()
     except:
         return None
 
@@ -20,11 +20,11 @@ class NewtypeConan(ConanFile):
         "url": "https://github.com/fmorgner/newtype.git",
         "revision": "auto",
     }
-    settings = ("compiler",)
-    version = get_version()
+    settings = None
+    version = read_project_property("VERSION")
     license = "BSD-3-Clause"
     url = "https://github.com/fmorgner/newtype"
-    description = "A library of types and functions to create strong type aliases"
+    description = read_project_property("DESCRIPTION")
     generators = "cmake"
     build_requires = (
         "CUTE/2.2.6@fmorgner/stable",
@@ -34,18 +34,17 @@ class NewtypeConan(ConanFile):
     def _configure_cmake(self):
         cmake = CMake(self)
         cmake.definitions["BUILD_TESTING"] = True
+        cmake.definitions["RUN_TESTS_AFTER_BUILD"] = True
         cmake.configure()
         return cmake
 
     def build(self):
         cmake = self._configure_cmake()
         cmake.build()
-        cmake.test()
 
     def package(self):
         cmake = self._configure_cmake()
         cmake.install()
 
-    def package_info(self):
-        if self.settings.compiler in ["gcc"]:
-            self.cpp_info.cxxflags.append("-std=c++2a")
\ No newline at end of file
+    def package_id(self):
+        self.info.header_only()
\ No newline at end of file
diff --git a/doc/.gitignore b/doc/.gitignore
new file mode 100644
index 0000000..ee826c1
--- /dev/null
+++ b/doc/.gitignore
@@ -0,0 +1,2 @@
+Pipfile
+Pipfile.lock
diff --git a/doc/Pipfile b/doc/Pipfile
deleted file mode 100644
index 83bd30b..0000000
--- a/doc/Pipfile
+++ /dev/null
@@ -1,12 +0,0 @@
-[[source]]
-name = "pypi"
-url = "https://pypi.org/simple"
-verify_ssl = true
-
-[dev-packages]
-
-[packages]
-sphinx = "*"
-
-[requires]
-python_version = "3"
diff --git a/doc/Pipfile.lock b/doc/Pipfile.lock
deleted file mode 100644
index f23f13b..0000000
--- a/doc/Pipfile.lock
+++ /dev/null
@@ -1,217 +0,0 @@
-{
-    "_meta": {
-        "hash": {
-            "sha256": "776b8d64e53c6045ac2d3198bb1516e980e399d054e903e0769d4e6c13350e50"
-        },
-        "pipfile-spec": 6,
-        "requires": {
-            "python_version": "3"
-        },
-        "sources": [
-            {
-                "name": "pypi",
-                "url": "https://pypi.org/simple",
-                "verify_ssl": true
-            }
-        ]
-    },
-    "default": {
-        "alabaster": {
-            "hashes": [
-                "sha256:446438bdcca0e05bd45ea2de1668c1d9b032e1a9154c2c259092d77031ddd359",
-                "sha256:a661d72d58e6ea8a57f7a86e37d86716863ee5e92788398526d58b26a4e4dc02"
-            ],
-            "version": "==0.7.12"
-        },
-        "babel": {
-            "hashes": [
-                "sha256:af92e6106cb7c55286b25b38ad7695f8b4efb36a90ba483d7f7a6628c46158ab",
-                "sha256:e86135ae101e31e2c8ec20a4e0c5220f4eed12487d5cf3f78be7e98d3a57fc28"
-            ],
-            "version": "==2.7.0"
-        },
-        "certifi": {
-            "hashes": [
-                "sha256:017c25db2a153ce562900032d5bc68e9f191e44e9a0f762f373977de9df1fbb3",
-                "sha256:25b64c7da4cd7479594d035c08c2d809eb4aab3a26e5a990ea98cc450c320f1f"
-            ],
-            "version": "==2019.11.28"
-        },
-        "chardet": {
-            "hashes": [
-                "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae",
-                "sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691"
-            ],
-            "version": "==3.0.4"
-        },
-        "docutils": {
-            "hashes": [
-                "sha256:6c4f696463b79f1fb8ba0c594b63840ebd41f059e92b31957c46b74a4599b6d0",
-                "sha256:9e4d7ecfc600058e07ba661411a2b7de2fd0fafa17d1a7f7361cd47b1175c827",
-                "sha256:a2aeea129088da402665e92e0b25b04b073c04b2dce4ab65caaa38b7ce2e1a99"
-            ],
-            "version": "==0.15.2"
-        },
-        "idna": {
-            "hashes": [
-                "sha256:c357b3f628cf53ae2c4c05627ecc484553142ca23264e593d327bcde5e9c3407",
-                "sha256:ea8b7f6188e6fa117537c3df7da9fc686d485087abf6ac197f9c46432f7e4a3c"
-            ],
-            "version": "==2.8"
-        },
-        "imagesize": {
-            "hashes": [
-                "sha256:3f349de3eb99145973fefb7dbe38554414e5c30abd0c8e4b970a7c9d09f3a1d8",
-                "sha256:f3832918bc3c66617f92e35f5d70729187676313caa60c187eb0f28b8fe5e3b5"
-            ],
-            "version": "==1.1.0"
-        },
-        "jinja2": {
-            "hashes": [
-                "sha256:74320bb91f31270f9551d46522e33af46a80c3d619f4a4bf42b3164d30b5911f",
-                "sha256:9fe95f19286cfefaa917656583d020be14e7859c6b0252588391e47db34527de"
-            ],
-            "version": "==2.10.3"
-        },
-        "markupsafe": {
-            "hashes": [
-                "sha256:00bc623926325b26bb9605ae9eae8a215691f33cae5df11ca5424f06f2d1f473",
-                "sha256:09027a7803a62ca78792ad89403b1b7a73a01c8cb65909cd876f7fcebd79b161",
-                "sha256:09c4b7f37d6c648cb13f9230d847adf22f8171b1ccc4d5682398e77f40309235",
-                "sha256:1027c282dad077d0bae18be6794e6b6b8c91d58ed8a8d89a89d59693b9131db5",
-                "sha256:24982cc2533820871eba85ba648cd53d8623687ff11cbb805be4ff7b4c971aff",
-                "sha256:29872e92839765e546828bb7754a68c418d927cd064fd4708fab9fe9c8bb116b",
-                "sha256:43a55c2930bbc139570ac2452adf3d70cdbb3cfe5912c71cdce1c2c6bbd9c5d1",
-                "sha256:46c99d2de99945ec5cb54f23c8cd5689f6d7177305ebff350a58ce5f8de1669e",
-                "sha256:500d4957e52ddc3351cabf489e79c91c17f6e0899158447047588650b5e69183",
-                "sha256:535f6fc4d397c1563d08b88e485c3496cf5784e927af890fb3c3aac7f933ec66",
-                "sha256:62fe6c95e3ec8a7fad637b7f3d372c15ec1caa01ab47926cfdf7a75b40e0eac1",
-                "sha256:6dd73240d2af64df90aa7c4e7481e23825ea70af4b4922f8ede5b9e35f78a3b1",
-                "sha256:717ba8fe3ae9cc0006d7c451f0bb265ee07739daf76355d06366154ee68d221e",
-                "sha256:79855e1c5b8da654cf486b830bd42c06e8780cea587384cf6545b7d9ac013a0b",
-                "sha256:7c1699dfe0cf8ff607dbdcc1e9b9af1755371f92a68f706051cc8c37d447c905",
-                "sha256:88e5fcfb52ee7b911e8bb6d6aa2fd21fbecc674eadd44118a9cc3863f938e735",
-                "sha256:8defac2f2ccd6805ebf65f5eeb132adcf2ab57aa11fdf4c0dd5169a004710e7d",
-                "sha256:98c7086708b163d425c67c7a91bad6e466bb99d797aa64f965e9d25c12111a5e",
-                "sha256:9add70b36c5666a2ed02b43b335fe19002ee5235efd4b8a89bfcf9005bebac0d",
-                "sha256:9bf40443012702a1d2070043cb6291650a0841ece432556f784f004937f0f32c",
-                "sha256:ade5e387d2ad0d7ebf59146cc00c8044acbd863725f887353a10df825fc8ae21",
-                "sha256:b00c1de48212e4cc9603895652c5c410df699856a2853135b3967591e4beebc2",
-                "sha256:b1282f8c00509d99fef04d8ba936b156d419be841854fe901d8ae224c59f0be5",
-                "sha256:b2051432115498d3562c084a49bba65d97cf251f5a331c64a12ee7e04dacc51b",
-                "sha256:ba59edeaa2fc6114428f1637ffff42da1e311e29382d81b339c1817d37ec93c6",
-                "sha256:c8716a48d94b06bb3b2524c2b77e055fb313aeb4ea620c8dd03a105574ba704f",
-                "sha256:cd5df75523866410809ca100dc9681e301e3c27567cf498077e8551b6d20e42f",
-                "sha256:e249096428b3ae81b08327a63a485ad0878de3fb939049038579ac0ef61e17e7"
-            ],
-            "version": "==1.1.1"
-        },
-        "packaging": {
-            "hashes": [
-                "sha256:28b924174df7a2fa32c1953825ff29c61e2f5e082343165438812f00d3a7fc47",
-                "sha256:d9551545c6d761f3def1677baf08ab2a3ca17c56879e70fecba2fc4dde4ed108"
-            ],
-            "version": "==19.2"
-        },
-        "pygments": {
-            "hashes": [
-                "sha256:2a3fe295e54a20164a9df49c75fa58526d3be48e14aceba6d6b1e8ac0bfd6f1b",
-                "sha256:98c8aa5a9f778fcd1026a17361ddaf7330d1b7c62ae97c3bb0ae73e0b9b6b0fe"
-            ],
-            "version": "==2.5.2"
-        },
-        "pyparsing": {
-            "hashes": [
-                "sha256:4c830582a84fb022400b85429791bc551f1f4871c33f23e44f353119e92f969f",
-                "sha256:c342dccb5250c08d45fd6f8b4a559613ca603b57498511740e65cd11a2e7dcec"
-            ],
-            "version": "==2.4.6"
-        },
-        "pytz": {
-            "hashes": [
-                "sha256:1c557d7d0e871de1f5ccd5833f60fb2550652da6be2693c1e02300743d21500d",
-                "sha256:b02c06db6cf09c12dd25137e563b31700d3b80fcc4ad23abb7a315f2789819be"
-            ],
-            "version": "==2019.3"
-        },
-        "requests": {
-            "hashes": [
-                "sha256:11e007a8a2aa0323f5a921e9e6a2d7e4e67d9877e85773fba9ba6419025cbeb4",
-                "sha256:9cf5292fcd0f598c671cfc1e0d7d1a7f13bb8085e9a590f48c010551dc6c4b31"
-            ],
-            "version": "==2.22.0"
-        },
-        "six": {
-            "hashes": [
-                "sha256:1f1b7d42e254082a9db6279deae68afb421ceba6158efa6131de7b3003ee93fd",
-                "sha256:30f610279e8b2578cab6db20741130331735c781b56053c59c4076da27f06b66"
-            ],
-            "version": "==1.13.0"
-        },
-        "snowballstemmer": {
-            "hashes": [
-                "sha256:209f257d7533fdb3cb73bdbd24f436239ca3b2fa67d56f6ff88e86be08cc5ef0",
-                "sha256:df3bac3df4c2c01363f3dd2cfa78cce2840a79b9f1c2d2de9ce8d31683992f52"
-            ],
-            "version": "==2.0.0"
-        },
-        "sphinx": {
-            "hashes": [
-                "sha256:298537cb3234578b2d954ff18c5608468229e116a9757af3b831c2b2b4819159",
-                "sha256:e6e766b74f85f37a5f3e0773a1e1be8db3fcb799deb58ca6d18b70b0b44542a5"
-            ],
-            "index": "pypi",
-            "version": "==2.3.1"
-        },
-        "sphinxcontrib-applehelp": {
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-            "version": "==1.0.1"
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-        "sphinxcontrib-devhelp": {
-            "hashes": [
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-                "sha256:9512ecb00a2b0821a146736b39f7aeb90759834b07e81e8cc23a9c70bacb9981"
-            ],
-            "version": "==1.0.1"
-        },
-        "sphinxcontrib-htmlhelp": {
-            "hashes": [
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-                "sha256:db6615af393650bf1151a6cd39120c29abaf93cc60db8c48eb2dddbfdc3a9768"
-            ],
-            "version": "==1.1.3"
-        },
-        "urllib3": {
-            "hashes": [
-                "sha256:a8a318824cc77d1fd4b2bec2ded92646630d7fe8619497b142c84a9e6f5a7293",
-                "sha256:f3c5fd51747d450d4dcf6f923c81f78f811aab8205fda64b0aba34a4e48b0745"
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-}
diff --git a/doc/requirements.txt b/doc/requirements.txt
new file mode 100644
index 0000000..b80a564
--- /dev/null
+++ b/doc/requirements.txt
@@ -0,0 +1 @@
+sphinx==2.4.2
diff --git a/doc/src/conf.py b/doc/src/conf.py
index 437d275..1337ce3 100644
--- a/doc/src/conf.py
+++ b/doc/src/conf.py
@@ -6,10 +6,10 @@ import os
 # -- Project information -----------------------------------------------------
 
 project = 'newtype'
-copyright = '2019, Felix Morgner'
+copyright = '2020, Felix Morgner'
 author = 'Felix Morgner'
-version = '1.0'
-release = '1.0.0'
+version = '1.1'
+release = '1.1.0'
 
 
 # -- General configuration ---------------------------------------------------
diff --git a/doc/src/index.rst b/doc/src/index.rst
index 49db3b6..290f17e 100644
--- a/doc/src/index.rst
+++ b/doc/src/index.rst
@@ -28,7 +28,7 @@ In it, :cpp:class:`new_type` is used to create thre new strong aliases :literal:
 .. literalinclude:: ../../examples/src/basic_usage.cpp
    :language: c++
    :linenos:
-   :name: new-type-usage-basic 
+   :name: new-type-usage-basic
    :caption: Basic usage of :cpp:class:`new_type`
 
 However, using :cpp:class:`new_type` in this fashion seem quite cumbersome.
@@ -76,7 +76,7 @@ Class template :cpp:class:`new_type`
    :tparam BaseType: |BaseTypeDoc|
    :tparam TagType: |TagTypeDoc|
    :tparam DerivationClause: |DerivationClauseDoc|
-   
+
    .. versionadded:: 1.0.0
 
    **Member Type Aliases**
@@ -87,6 +87,30 @@ Class template :cpp:class:`new_type`
 
    .. cpp:type:: derivation_clause_type = decltype(DerivationClause)
 
+   .. cpp:type:: iterator = typename BaseType::iterator
+
+      :enablement: This type alias shall be defined iff. this :cpp:class:`new_type`'s :cpp:type:`base_type` has a member type :cpp:type:`iterator <new_type::base_type::iterator>` and the :cpp:var:`derivation clause <derivation_clause>` contains :cpp:var:`Iterable`.
+
+      .. versionadded:: 1.1.0
+
+   .. cpp:type:: const_iterator = typename BaseType::const_iterator
+
+      :enablement: This type alias shall be defined iff. this :cpp:class:`new_type`'s :cpp:type:`base_type` has a member type :cpp:type:`const_iterator <new_type::base_type::const_iterator>` and the :cpp:var:`derivation clause <derivation_clause>` contains :cpp:var:`Iterable`.
+
+      .. versionadded:: 1.1.0
+
+   .. cpp:type:: reverse_iterator = typename BaseType::reverse_iterator
+
+      :enablement: This type alias shall be defined iff. this :cpp:class:`new_type`'s :cpp:type:`base_type` has a member type :cpp:type:`reverse_iterator <new_type::base_type::reverse_iterator>` and the :cpp:var:`derivation clause <derivation_clause>` contains :cpp:var:`Iterable`.
+
+      .. versionadded:: 1.1.0
+
+   .. cpp:type:: const_reverse_iterator = typename BaseType::const_reverse_iterator
+
+      :enablement: This type alias shall be defined iff. this :cpp:class:`new_type`'s :cpp:type:`base_type` has a member type :cpp:type:`const_reverse_iterator <new_type::base_type::const_reverse_iterator>` and the :cpp:var:`derivation clause <derivation_clause>` contains :cpp:var:`Iterable`.
+
+      .. versionadded:: 1.1.0
+
    **Static Data Members**
 
    .. cpp:var:: static derivation_clause_type constexpr derivation_clause = DerivationClause
@@ -168,14 +192,14 @@ Class template :cpp:class:`new_type`
 
    .. cpp:function:: constexpr BaseType decay() const
 
-      Retrieve the object contained by this :cpp:class:`new_type` object
+      Retrieve a copy of the object contained by this :cpp:class:`new_type` object
 
       :throws: Any exception thrown by the copy-constructor of this :cpp:class:`new_type`'s :cpp:type:`base_type`.
                This operator shall be noexcept iff. this :cpp:class:`new_type`'s :cpp:type:`base_type` is *nothrow copy-constructible*.
 
    .. cpp:function:: constexpr operator BaseType() const
 
-      Retrieve the object contained by this :cpp:class:`new_type` object
+      Retrieve a copy of the object contained by this :cpp:class:`new_type` object
 
       :throws: Any exception thrown by the copy-constructor of this :cpp:class:`new_type`'s :cpp:type:`base_type`.
                This operator shall be noexcept iff. this :cpp:class:`new_type`'s :cpp:type:`base_type` is *nothrow copy-constructible*.
@@ -195,6 +219,140 @@ Class template :cpp:class:`new_type`
 
       :enablement: This operator shall be available iff. this :cpp:class:`new_type`'s :cpp:var:`derivation clause <derivation_clause>` contains :cpp:var:`Indirection`
 
+   **Iterators**
+
+   .. cpp:function:: constexpr iterator begin()
+
+      Get an iterator to the beginning of the object contained by this :cpp:class:`new_type`
+
+      :enablement: This function shall be available iff.
+
+         a) this :cpp:class:`new_type`'s :cpp:var:`derivation clause <derivation_clause>` contains :cpp:var:`Iterable` and
+         b) this :cpp:class:`new_type`'s :cpp:type:`base type <base_type>` has a non-static member function :cpp:func:`begin() <new_type::base_type::begin()>` that returns an instance of type :cpp:type:`iterator`
+
+      .. versionadded:: 1.1.0
+
+   .. cpp:function:: constexpr iterator begin() const
+
+      Get a constant iterator to the beginning of the object contained by this :cpp:class:`new_type`
+
+      :enablement: This function shall be available iff.
+
+         a) this :cpp:class:`new_type`'s :cpp:var:`derivation clause <derivation_clause>` contains :cpp:var:`Iterable` and
+         b) this :cpp:class:`new_type`'s :cpp:type:`base type <base_type>` has a non-static member function :cpp:func:`begin() const <new_type::base_type::begin()>` that returns an instance of type :cpp:type:`const_iterator`
+
+      .. versionadded:: 1.1.0
+
+   .. cpp:funct