::env::{Args,ArgsOs,Vars,VarsOs} depend entirely on the platform impls in ::sys for their negative Send/Sync impls.
Implementations of those types currently opt out of Send and Sync, so the user facing types should probably explicitly opt out of Send/Sync to avoid accidental inconsistencies between platforms.
::env::{Args,ArgsOs,Vars,VarsOs}depend entirely on the platform impls in::sysfor their negative Send/Sync impls.Implementations of those types currently opt out of Send and Sync, so the user facing types should probably explicitly opt out of Send/Sync to avoid accidental inconsistencies between platforms.