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Type System

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ACM SIGPLAN
Capturing Types: A Calculus for Tracking Free Variables in Type Systems

Explore a calculus representing captured variables in types for enhanced safety, enabling effect implementation via scoped capabilities and guiding practical capture checking in programming languages.
- YouTube
- 20 minutes
- On-Demand
- Free Video
ACM SIGPLAN
Mutually Iso-Recursive Subtyping - OOPSLA 2023

Explore mutually iso-recursive subtyping, addressing challenges in type recursion for programming languages. Gain insights into efficient type checking and subtyping for intermediate code representations.
- YouTube
- 19 minutes
- On-Demand
- Free Video
ACM SIGPLAN
Type-Safe Dynamic Placement with First-Class Placed Values

Explore type-safe dynamic placement in distributed systems using first-class placed values. Learn about Dyno, a language enabling static reasoning with dynamic placement flexibility.
- YouTube
- 16 minutes
- On-Demand
- Free Video
ACM SIGPLAN
Back to Direct Style: Typed and Tight

Explore typed translations between direct and continuation-passing styles, examining their preservation of types and semantics, and their behavior in trivial and non-trivial control flow scenarios.
- YouTube
- 15 minutes
- On-Demand
- Free Video
ACM SIGPLAN
How Profilers Can Help Navigate Type Migration

Explore strategies for guiding migratory typing using profiling tools, focusing on deep types to eliminate costly boundaries between typed and untyped components in code refactoring.
- YouTube
- 18 minutes
- On-Demand
- Free Video
ACM SIGPLAN
Simple Reference Immutability for System F-sub

Explore reference immutability in hybrid languages, focusing on interactions with higher-order functions, polymorphism, and subtyping in System F-sub. Gain insights into taming mutation in modern programming paradigms.
- YouTube
- 15 minutes
- On-Demand
- Free Video
ACM SIGPLAN
Validating IoT Devices with Rate-Based Session Types

Explore a novel framework for implementing and validating rate-based message passing systems in IoT domains using session types, ensuring rate error freedom and type preservation.
- YouTube
- 18 minutes
- On-Demand
- Free Video
ACM SIGPLAN
Focusing on Refinement Typing - A Logically Principled Foundation

Explore a logically principled foundation for SMT constraint generation in refinement type systems, combining focalized call-by-push-value, bidirectional typing, and value-determined indexes.
- YouTube
- 19 minutes
- On-Demand
- Free Video
ACM SIGPLAN
Soundly Handling Linearity - Combining Linear Types with Multi-Shot Effect Handlers

Explore a novel approach to combining linear types with multi-shot effect handlers, addressing soundness issues in existing systems and introducing control-flow linearity for resource integrity.
- YouTube
- 16 minutes
- On-Demand
- Free Video
ACM SIGPLAN
Generating Well-Typed Terms That Are Not "Useless"

Explore a novel algorithm for generating well-typed lambda terms that use their arguments effectively, improving random testing of functional language compilers.
- YouTube
- 20 minutes
- On-Demand
- Free Video
ACM SIGPLAN
Polymorphic Reachability Types: Tracking Freshness, Aliasing, and Separation in Higher-Order Generic Programs

Explore polymorphic reachability types for tracking freshness, aliasing, and separation in higher-order generic programs. Gain insights into advanced type systems and their applications in programming languages.
- YouTube
- 18 minutes
- On-Demand
- Free Video
ACM SIGPLAN
Polyregular Functions on Unordered Trees of Bounded Height

Explore polyregular functions on unordered trees with bounded height, examining first-order interpretations, decidability of equivalence problems, and applications to graph classes with bounded tree-depth.
- YouTube
- 20 minutes
- On-Demand
- Free Video
ACM SIGPLAN
Type-Based Gradual Typing Performance Optimization

Explore discriminative typing for optimizing gradual typing performance. Learn about its implementation in Reticulated Python and Grift, and discover significant speedups across various programs.
- YouTube
- 18 minutes
- On-Demand
- Free Video
ACM SIGPLAN
Type System for Four Delimited Control Operators

Explore a uniform type system for four control operators, examining their relationships and implementation in Agda. Gain insights into CPS translation and termination properties.
- YouTube
- 19 minutes
- On-Demand
- Free Video
ACM SIGPLAN
Mechanizing Refinement Types

Explore the mechanization of refinement types, combining semantic subtyping and parametric polymorphism. Learn about λRF calculus, data propositions, and metatheory proofs in LiquidHaskell and Coq.
- YouTube
- 20 minutes
- On-Demand
- Free Video

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