c++17 std::optional

[flok]

Hi,

I'm trying to port an application of my from the ESP32/RP2040 to the Teensy 4.1 platform.
It uses std:: optional but that does not seem to be supported?
Any plans to do so?

Thanks!

 

[flok]

Oh wait, it is already available yet as I'm using platformio not available directly to me. I'll see if I can change that.

 

[flok]

(for google) add:

platform_packages = platformio/framework-arduinoteensy@^1.159.0
build_flags = -std=gnu++17
build_unflags = -std=gnu++14

to platformio.ini.

 

[shawn]

Good news is that with the latest Teensyduino 1.59 release on PlatformIO, the default is now C++17. No need to add or remove flags. Note that you might need to run pio pkg update from the command line to get the latest. (I’m not actually sure if there’s a menu option for that; there might be. I’m also not sure if it will be done automatically at some point.)