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It is, but Lisp did have it first, even if not through Racket.
by tripa 8y ago
It is, but Lisp did have it first, even if not through Racket.
- eslaught 8y agoYes, it's called dynamic scoping, and for a long time it wasn't believed that the other option (what we call lexical scoping today) could even be implemented efficiently. https://en.wikipedia.org/wiki/Scope_(computer_science)#Dynamic_scoping https://en.wikipedia.org/wiki/Scope_(computer_science)#Dynam...