Flux, a data scripting language, benefits from static analysis, which enables code editors to offer autocompletion features by understanding the code without executing it. This process relies on type inference, specifically using Algorithm W, an approach that generates and solves equations related to the types of expressions within a Flux program. By assigning type variables to expressions and creating equations based on their usage, static analysis can deduce the types of all variables, helping identify errors before runtime. This method allows for efficient and accurate type determination, enhancing the development experience by providing suggestions and error messages. The complexity of type inference lies in solving numerous equations generated from even simple scripts, and Flux's implementation draws from the Hindley-Milner type system, with further insights available from extensive research in computational theory.