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drone-os / drone

CLI utility for Drone, an Embedded Operating System.
https://www.drone-os.com/
Apache License 2.0
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`#![feature(const_fn)]` has been removed #25

Open YoshieraHuang opened 3 years ago

YoshieraHuang commented 3 years ago

Hi, I tried to compile drone with rustc of version 1.57.0-nightly but it failed, showing:

error[E0557]: feature has been removed
  --> /home/jasper/.cargo/registry/src/github.com-1ecc6299db9ec823/drone-core-0.14.3/src/lib.rs:27:12
   |
27 | #![feature(const_fn)]
   |            ^^^^^^^^ feature has been removed
   |
   = note: split into finer-grained feature gates

As this said, the feature has been removed and should use #![feature(const_mut_refs)] instead.