macro_rules! stack_id { ($value:expr) => { ... }; }
Construct a StackId value at compile time.
StackId
Passing a string that is not a valid StackId value will yield a compilation error.
use libcnb_data::stack_id; use libcnb_data::buildpack::StackId; let stack_id: StackId = stack_id!("heroku-20");