Smalltalk is live object but, afaik[0], the base interaction is still work for edit, work for test, work for resolution. I thought about making them one concept.. something like gradually pruning input spaces. test and code being somehow isomorphic (each failing test is implicitely mirrored in the working code).

[0] I only did a pharo MOOC and read some bits about smalltalk but considering the crowd, it's possible someone has an image with similar if not better ideas.