Function build_data::set_RUST_CHANNEL

source · 
pub fn set_RUST_CHANNEL()
Expand description

Sets the RUST_CHANNEL env variable to Rust channel used by the current build.

Call this from build.rs. Use env! in your main.rs to use the variable.

Possible values:

  • "stable"
  • "beta"
  • "nightly"

Executes the rustc command.

§Panics

Panics if it fails to get the value from rustc.