What does this research mean for the field?

Despite its recent adoption in safety-critical domains, Rust still lacks several key bug-prevention features established in Ada, most notably powerful declarations and convenient subtypes. Novelty: ClaimNovelty.SYNTHESIS. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

This evaluation aims to compare the safety and feature sets of Rust and Ada in critical applications.

June 19, 2026

The State of Rust Trying to Catch up with Ada

Puntos clave

This evaluation aims to compare the safety and feature sets of Rust and Ada in critical applications.
Presented at FOSDEM 2025 Ada Developer Room
Discussed various features of Ada related to safety
Analyzed Rust's capabilities and limitations in the same context
Ada provides powerful declarations and subtypes for bug prevention
Rust displays success in the safety critical space but lacks some Ada features
Comparison revealed key areas where Rust needs improvement to match Ada's capabilities

Resumen

Ada has held its own in the safety critical space for just over 4 decades. Over the last 10 years Rust has pushed into the same space with varying success. Among other features, most notably Rust is missing the powerful declarations and convenience of use of subtypes. In this talk at the FOSDEM 2025 Ada Developer Room I went into the various features that make Ada so useful for ensuring the absence of bugs, and where Rust stands on each of these features.

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Cite This Study

Oli Scherer (Mon,) studied this question.

synapsesocial.com/papers/6a34df2365a5b0777af2e461 https://doi.org/https://doi.org/10.1145/3821489.3821499

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