constraint solver. The other infers annotations on bound variables in function abstractions by propagating type constraints downward from enclosing application nodes. We motivate our design choices by a statistical analysis of the uses of type inference in a sizable body of existing ML code. Categories and Subject Descriptors: D.3.1 [Programming Languages]: Formal Definitions and Theory General Terms: Languages, Theory Additional Key Words and Phrases: Polymorphism, subtyping, type inference
Benjamin C. Pierce, David N. Turner