const-oid: fallible const parser + ::new_unwrap
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With the introduction of const panic it's now possible to implement a proper fallible parser with `const fn`, eliminating some of the duplication between the `const fn` and fallible code in this crate. Unfortunately it's not yet possible to call `Result::unwrap` in a const context, so instead this commit adds an `ObjectIdentifier::new_unwrap` method which leverages const panic to print the `Result` as best it can. In future versions of Rust, it will be possible to replace this with `ObjectIdentifier::new(...).unwrap()`.
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With the introduction of const panic it's now possible to implement a proper fallible parser with
const fn, eliminating some of the duplication between theconst fnand fallible code in this crate.Unfortunately it's not yet possible to call
Result::unwrapin a const context, so instead this commit adds anObjectIdentifier::new_unwrapmethod which leverages const panic to print theResultas best it can.In future versions of Rust, it will be possible to replace this with
ObjectIdentifier::new(...).unwrap().