Mirrors/CppCoreGuidelines
1
0
Fork 0
mirror of https://github.com/isocpp/CppCoreGuidelines.git synced 2025-12-17 20:54:41 +03:00
Code Issues Actions Packages Projects Releases Wiki Activity

[GSL.view] Simplify explanation of lack of "null references".

Browse Source
This commit is contained in:
Thomas Köppe
2015-10-05 12:36:28 +01:00
parent 7143050ef6
commit 2f6c3d5c2b
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
CppCoreGuidelines.md
View File

@@ -12174,7 +12174,7 @@ The names are mostly ISO standard-library style (lower case and underscore):
* `T*` // The `T*` is not an owner, may be null; assumed to be pointing to a single element. * `T*` // The `T*` is not an owner, may be null; assumed to be pointing to a single element.
* `char*` // A C-style string (a zero-terminated array of characters); may be null. * `char*` // A C-style string (a zero-terminated array of characters); may be null.
* `const char*` // A C-style string; may be null. * `const char*` // A C-style string; may be null.
* `T&` // The `T&` is not an owner, must not be `*static_cast<T*>(nullptr)` (language rule; there are no "null references"). * `T&` // The `T&` is not an owner and can never be a "null reference"; references are always bound to objects.
The "raw-pointer" notation (e.g. `int*`) is assumed to have its most common meaning; that is, a pointer points to an object, but does not own it. The "raw-pointer" notation (e.g. `int*`) is assumed to have its most common meaning; that is, a pointer points to an object, but does not own it.
Owners should be converted to resource handles (e.g., `unique_ptr` or `vector<T>`) or marked `owner<T*>` Owners should be converted to resource handles (e.g., `unique_ptr` or `vector<T>`) or marked `owner<T*>`