Duh.

doc/basics.md

@@ -180,7 +180,7 @@ In some cases, you may have valid JSON strings that you do not wish to parse but
   size_t length = strlen(some_string);
   // Create a buffer to receive the minified string. Make sure that there is enough room,
   // including some padding (simdjson::SIMDJSON_PADDING).
-  std::unique_ptr<char> buffer{new(std::nothrow) char[length + simdjson::SIMDJSON_PADDING]};
+  std::unique_ptr<char[]> buffer{new(std::nothrow) char[length + simdjson::SIMDJSON_PADDING]};
   size_t new_length{}; // It will receive the minified length.
   auto error = simdjson::minify_string(some_string, length, buffer.get(), new_length);
   // The buffer variable now has "[1,2,3,4]" and new_length has value 9.

tests/basictests.cpp

@@ -1717,7 +1717,7 @@ namespace type_tests {
 namespace minify_string_tests {
 
   bool check_minification(const char * input, size_t length, const char * expected, size_t expected_length) {
-    std::unique_ptr<char> buffer{new(std::nothrow) char[length + simdjson::SIMDJSON_PADDING]};
+    std::unique_ptr<char[]> buffer{new(std::nothrow) char[length + simdjson::SIMDJSON_PADDING]};
     if(buffer.get() == nullptr) {
       std::cerr << "cannot alloc "  << std::endl;
       return false;

tests/readme_examples.cpp

@@ -242,7 +242,7 @@ SIMDJSON_POP_DISABLE_WARNINGS
 void minify_string() {
   const char * some_string = "[ 1, 2, 3, 4] ";
   size_t length = strlen(some_string);
-  std::unique_ptr<char> buffer{new(std::nothrow) char[length + simdjson::SIMDJSON_PADDING]};
+  std::unique_ptr<char[]> buffer{new(std::nothrow) char[length + simdjson::SIMDJSON_PADDING]};
   size_t new_length{};
   auto error = simdjson::minify_string(some_string, length, buffer.get(), new_length);
   if(error != simdjson::SUCCESS) {