Jifeng Wu's Personal Website

2023-02 Spending Statement

SummaryChapter 22 of “Types and Programming Languages” explores the problem of Type Reconstruction (Type Inference) or deriving Types for Unannotated Arguments of Lambda Abstractions. It first introdu

SummaryChapter 15, “Subtyping,” describes adding Subtyping with Functions and Records into Simply Typed Lambda Calculus. It formalizes the Subtype Relation as a collection of Inference Rules, verifies

SummaryChapters 13 and 14 of “Types and Programming Languages” discuss adding Impure Features, also known as Computational Effects, into Simply Typed Lambda Calculus. Specifically, Chapter 13 discusse

2023-01 Spending Statement

NOTE: This is a Paper Reading for Topics in Programming Languages: Type Systems. The original paper can be found here. SummaryThe paper first explains that except Syntax Directed Systems, Typing Rules

SummaryChapter 9 of “Types and Programming Languages” presents the simply typed lambda calculus, which constructs a type system for pure lambda calculus, explaining theoretical aspects such as the typ

2022-12 Spending Statement

2022-11 Spending Statement

NOTE: This is a Paper Reading for Topics in Programming Languages: Automated Testing, Bug Detection, and Program Analysis. The original paper can be found here. This paper presents Thread Safety Viola