C++11
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Usage status
This table lists C++11 features and whether they can be used in Inkscape or not (yet). Add C++11 features that you would like to use to the table, so that we know what to test for to increase the C++11 "allowance".
See also C++17
Feature | Can use? | Comment |
---|---|---|
std::unique_ptr<> | from 0.93 | Replaces boost::scoped_ptr<> and std::auto_ptr<> |
std::shared_ptr<> | from 0.93 | Replaces boost::shared_ptr<> |
std::unordered_*<> | from 0.93 | Replaces the hack in util/unordered-containers.h |
auto (type inference) | from 0.93 | |
enum class | not yet | Strong enum constants (take the name of the enum, can't be implicitly converted to int )
|
range-based for | from 0.93 | Concise for loops with containers (Python alike) |
lambda functions | not yet | In-place definitions for small functions |
constructor delegation | not yet | Reduces boilerplate when an object has many constructors |
right angle brackets in templates | not yet | Fixes coding style oddity |
async, futures | not yet | Allows easy multithreading |
std::initializer_list | not yet | Easier container initialization/assignation and implicit constructor calls |
constexpr | ? | Additional meanings in C++14/C++17 |
toxic feature of doom | NO | Never use this (in case we stumble upon C++11 features that we really don't like) |
Platform status
We need to keep coordinated with the section on Distro Dependencies.
Also see this page:
Note that __cplusplus
is always 1
for GCC 4.6 that is used on Windows. So #if __cplusplus < 201103L
or variants does not work to choose between C++03 or C++11 code.
C++11 is well supported by all major compilers (MSVC has only partial support for constexpr). In fact C++14 and C++17 are also well supported by all platforms we support.
Compiler version when feature complete:
GCC | Clang | MSVC | |
---|---|---|---|
C++11 | 4.8 (2014) | 3.1 (2013) (3.3 for local thread storage and inheriting constructors) | 19 (except C99 preprocessor and constexpr) |
C++14 | 5 (2015) | 3.4 (2013) | 19 (2017) (19.1 for member initializers) |
C++17 | 7 (2017) | 4 (2017) (5 for constexpr lambda expressions) | 19.14 (2017) |
C++2a | 10* | 10* | 19.22# |
'*' Mostly complete '#' About half complete