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Update more examples from the readme (#241)

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* update examples from the readme

* add explainations to the examples
This commit is contained in:
Lars Melchior
2021-03-26 17:31:35 +01:00
committed by GitHub
parent 4fad2eac0a
commit 310efb9b17
4 changed files with 29 additions and 67 deletions
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65
README.md
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@@ -276,9 +276,34 @@ CPMAddPackage("gh:catchorg/Catch2@2.5.0")
CPMAddPackage("gh:Orphis/boost-cmake@1.67.0")
```
### [Yaml-cpp](https://github.com/jbeder/yaml-cpp)
```CMake
# as the tag is in an unusual format, we need to explicitly specify the version
CPMAddPackage("gh:jbeder/yaml-cpp#yaml-cpp-0.6.3@0.6.3")
```
### [Range-v3](https://github.com/ericniebler/range-v3)
```Cmake
CPMAddPackage("gh:ericniebler/range-v3#0.11.0")
```
### [nlohmann/json](https://github.com/nlohmann/json)
```cmake
CPMAddPackage(
NAME nlohmann_json
VERSION 3.9.1
OPTIONS
"JSON_BuildTests OFF"
)
```
### [cxxopts](https://github.com/jarro2783/cxxopts)
```cmake
# the install option has to be explicitly set to allow installation
CPMAddPackage(
GITHUB_REPOSITORY jarro2783/cxxopts
VERSION 2.2.1
@@ -286,12 +311,6 @@ CPMAddPackage(
)
```
### [Yaml-cpp](https://github.com/jbeder/yaml-cpp)
```CMake
CPMAddPackage("gh:jbeder/yaml-cpp#yaml-cpp-0.6.3@0.6.3")
```
### [google/benchmark](https://github.com/google/benchmark)
```cmake
@@ -308,40 +327,6 @@ if(benchmark_ADDED)
endif()
```
### [nlohmann/json](https://github.com/nlohmann/json)
```cmake
CPMAddPackage(
NAME nlohmann_json
VERSION 3.6.1
# the git repo is incredibly large, so we download the archived include directory
URL https://github.com/nlohmann/json/releases/download/v3.6.1/include.zip
URL_HASH SHA256=69cc88207ce91347ea530b227ff0776db82dcb8de6704e1a3d74f4841bc651cf
)
if (nlohmann_json_ADDED)
add_library(nlohmann_json INTERFACE IMPORTED)
target_include_directories(nlohmann_json INTERFACE ${nlohmann_json_SOURCE_DIR})
endif()
```
### [Range-v3](https://github.com/ericniebler/range-v3)
```Cmake
CPMAddPackage(
NAME range-v3
URL https://github.com/ericniebler/range-v3/archive/0.5.0.zip
VERSION 0.5.0
# the range-v3 CMakeLists screws with configuration options
DOWNLOAD_ONLY True
)
if(range-v3_ADDED)
add_library(range-v3 INTERFACE IMPORTED)
target_include_directories(range-v3 INTERFACE "${range-v3_SOURCE_DIR}/include")
endif()
```
### [Lua](https://www.lua.org)
```cmake

16
examples/json/CMakeLists.txt
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@@ -5,22 +5,10 @@ project(CPMJSONExample)
# ---- Dependencies ----
include(../../cmake/CPM.cmake)
CPMAddPackage(
NAME nlohmann_json
VERSION 3.9.1
# not using the repo as it takes forever to clone
URL https://github.com/nlohmann/json/releases/download/v3.9.1/include.zip
URL_HASH SHA256=6bea5877b1541d353bd77bdfbdb2696333ae5ed8f9e8cc22df657192218cad91
)
if(nlohmann_json_ADDED)
add_library(nlohmann_json INTERFACE)
target_include_directories(nlohmann_json SYSTEM INTERFACE ${nlohmann_json_SOURCE_DIR}/include)
endif()
CPMAddPackage("gh:nlohmann/json@3.9.1")
# ---- Executable ----
add_executable(CPMJSONExample main.cpp)
target_compile_features(CPMJSONExample PRIVATE cxx_std_17)
target_link_libraries(CPMJSONExample nlohmann_json)
target_link_libraries(CPMJSONExample nlohmann_json::nlohmann_json)

13
examples/range-v3/CMakeLists.txt
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@@ -6,18 +6,7 @@ project(CPMRangev3Example)
include(../../cmake/CPM.cmake)
CPMAddPackage(
NAME range-v3
URL https://github.com/ericniebler/range-v3/archive/0.11.0.zip
VERSION 0.11.0
# the range-v3 CMakeLists screws with configuration options
DOWNLOAD_ONLY True
)
if(range-v3_ADDED)
add_library(range-v3 INTERFACE IMPORTED)
target_include_directories(range-v3 SYSTEM INTERFACE "${range-v3_SOURCE_DIR}/include")
endif()
CPMAddPackage("gh:ericniebler/range-v3#0.11.0")
# ---- Executable ----

2
examples/range-v3/main.cpp
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@@ -32,7 +32,7 @@ auto is_six = [](int i) { return i == 6; };
int main() {
std::vector<int> v{6, 2, 3, 4, 5, 6};
cout << std::boolalpha;
cout << "vector: " << ranges::view::all(v) << '\n';
cout << "vector: " << ranges::views::all(v) << '\n';
cout << "vector any_of is_six: " << ranges::any_of(v, is_six) << '\n';
cout << "vector all_of is_six: " << ranges::all_of(v, is_six) << '\n';