Excepting the extreme minimalism of Forth, this is the first language I'm aware of where simplicity of the implementation was a concern. Actually (and I don't

Excepting the extreme minimalism of Forth, this is the first language I'm aware of where simplicity of the implementation was a concern. Actually (and I don't have a reference now, but) Guido van Rossum specifically rejects certain speed or other improvements to CPython because they add more complexity than they're worth to the interpreter/compiler.