Side effects are both the essence and bane of imperative programming. The programmer
must carefully coordinate actions to manage their side effects upon each other. Such …

Many beloved programming systems are image-based: self-contained worlds that persist
both code and data in a single file. Examples include Smalltalk, LISP, HyperCard, Flash, and …

Schematic tables are a new representation for conditionals. Roughly a cross between
decision tables and data flowgraphs, they represent computation and decision-making …

Abstraction is at the core of programming, but it has a cost. We exhort programmers to use
proper abstractions like functions but they often find it easier to copy & paste instead. Copy & …

Modularity and flexibility can conflict in multi-language systems. For example, the templates
commonly used to generate web pages must be manually updated when the database …

Results Previous work [1][2] produced a prototype implementation of a functional
programming language represented as a tree with internal copying relationships, edited …