Data commit

2023-07-01 11:58:00 -04:00 · 2023-07-01 11:58:00 -04:00 · cb5bb5e222
commit cb5bb5e222
parent 7387c8f97b
199093 changed files with 3378972 additions and 0 deletions
--- a/Task/Runtime-evaluation-In-an-environment/EchoLisp/runtime-evaluation-in-an-environment.l
+++ b/Task/Runtime-evaluation-In-an-environment/EchoLisp/runtime-evaluation-in-an-environment.l
@ -0,0 +1,12 @@
+(define (eval-with-x prog x)
+    (eval prog (environment-new (list (list 'x x)))))
+
+(define prog '( + 1 (* x x)))
+
+(eval-with-x prog 10) → 101
+(eval-with-x prog 1000) → 1000001
+(- (eval-with-x prog 1000) (eval-with-x prog 10)) → 999900
+
+;; check x is unbound (no global)
+x
+😖️ error: #|user| : unbound variable : x