deploy: 94fe31eb9b

api/basic_json/value.md

@@ -45,6 +45,9 @@ This is equivalent to Python's `dict.get(key, default)`.
        return default_value;
     }
     ```
+    with one exception: if the JSON value is neither an array nor an object, the function throws
+    [`type_error.306`](../../home/exceptions.md#jsonexceptiontype_error306) before looking at `ptr`, even for the empty
+    pointer, whereas `at` returns the value itself for the empty pointer.
 
 !!! note "Differences to `at` and `operator[]`"
 
@@ -143,7 +146,7 @@ changes to any JSON value.
     #include <iostream>
     #include <nlohmann/json.hpp>
     
-    using json = nlohmann::json;
+    using nlohmann::json;
     
     int main()
     {
@@ -151,7 +154,7 @@ changes to any JSON value.
     
         std::cout << "operator[]:                " << j["uint64"] << '\n'
                   << "default value (int):       " << j.value("uint64", 0) << '\n'
-                  << "default value (uint64_t):  " << j.value("uint64", std::uint64_t(0)) << '\n'
+                  << "default value (uint64_t):  " << j.value("uint64", static_cast<std::uint64_t>(0)) << '\n'
                   << "explicit return value type: " << j.value<std::uint64_t>("uint64", 0) << '\n';
     }
     
@@ -189,7 +192,7 @@ changes to any JSON value.
     #include <iostream>
     #include <nlohmann/json.hpp>
     
-    using json = nlohmann::json;
+    using nlohmann::json;
     
     int main()
     {
@@ -236,7 +239,7 @@ changes to any JSON value.
     #include <nlohmann/json.hpp>
     
     using namespace std::string_view_literals;
-    using json = nlohmann::json;
+    using nlohmann::json;
     
     int main()
     {
@@ -281,7 +284,7 @@ changes to any JSON value.
     #include <iostream>
     #include <nlohmann/json.hpp>
     
-    using json = nlohmann::json;
+    using nlohmann::json;
     using namespace nlohmann::literals;
     
     int main()
@@ -328,7 +331,7 @@ changes to any JSON value.
     #include <iostream>
     #include <nlohmann/json.hpp>
     
-    using json = nlohmann::json;
+    using nlohmann::json;
     
     int main()
     {