Implementing objects as closures interpreting messages passed as parameters is exactly how many Scheme programmers (myself included) wrote "babby's first object

Implementing objects as closures interpreting messages passed as parameters is exactly how many Scheme programmers (myself included) wrote "babby's first object system" in Scheme. Such an object system is also presented in SICP. Finally we have the following Scheme Koan: https://people.csail.mit.edu/gregs/ll1-discuss-archive-html/msg03277.html https://people.csail.mit.edu/gregs/ll1-discuss-archive-html/...