full_spec_id!() { /* proc-macro */ }
Expand description
Returns a const FullSpecId
validated at compile time.
§Examples
Instantiate a valid FullSpecId
at compile time:
// use peace::cfg::{full_spec_id, FullSpecId};
let _my_full_spec_id: FullSpecId = full_spec_id!("valid_id"); // Ok!
If the ID is invalid, a compilation error is produced:
ⓘ
// use peace::cfg::{full_spec_id, FullSpecId};
let _my_full_spec_id: FullSpecId = full_spec_id!("-invalid_id"); // Compile error
// ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
// error: "-invalid_id" is not a valid `FullSpecId`.
// `FullSpecId`s must begin with a letter or underscore, and contain only letters, numbers, or underscores.