remove std execution requirement since apple clang does not seem to care about supporting this

Author: Jan Schuerman

.vscode/settings.json

@@ -1,3 +1,6 @@
 {
-    "cmake.configureOnOpen": true
+    "cmake.configureOnOpen": true,
+    "files.associations": {
+      "execution": "cpp"
+    }
 }

CMakeLists.txt

@@ -5,11 +5,6 @@ set(CMAKE_CXX_STANDARD 17)
 
 include_directories(src)
 
-try_compile(HAVE_EXECUTION ${CMAKE_BINARY_DIR} ${PROJECT_SOURCE_DIR}/src/executiontest.cpp)
-if(NOT HAVE_EXECUTION)
-        message(FATAL_ERROR "Compiler seems to be old, unable to compile this source")
-endif()
-
 add_library(
         ${PROJECT_NAME}
 
@@ -21,7 +16,6 @@ add_library(
         src/operations/array/map.cpp
         src/operations/array/merge.cpp
         src/operations/array/none.cpp
-        src/operations/array/reduce.cpp
         src/operations/array/some.cpp
         src/operations/data/missing.cpp
         src/operations/data/missing_some.cpp

src/executiontest.cpp

@@ -41,7 +41,6 @@ namespace json_logic
 		operations_.insert({"%", MAKE_OPERATION(operation_numeric_modulo)});
 
 		operations_.insert({"map", MAKE_OPERATION(operation_array_map)});
-		operations_.insert({"reduce", MAKE_OPERATION(operation_array_reduce)});
 		operations_.insert({"filter", MAKE_OPERATION(operation_array_filter)});
 		operations_.insert({"all", MAKE_OPERATION(operation_array_all)});
 		operations_.insert({"none", MAKE_OPERATION(operation_array_none)});

src/json_logic.cpp

@@ -73,7 +73,6 @@ namespace json_logic
 		json operation_numeric_modulo(const json& values, const json& data);
 
 		json operation_array_map(const json& values, const json& data);
-		json operation_array_reduce(const json& values, const json& data);
 		json operation_array_filter(const json& values, const json& data);
 		json operation_array_all(const json& values, const json& data);
 		json operation_array_none(const json& values, const json& data);