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b is already defined if the user follows along in the repl

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If a user follows along in the repl, the error won't occur as in section 4.6 the number 4 is assigned to `b`. To make this slightly less confusing and have the error appear as the user is following along we have to use a new variable.
This commit is contained in:
Niels Egberts 2021-07-01 23:07:04 +01:00
parent f1acd7ed9f
commit a96a0a35cc
1 changed files with 2 additions and 2 deletions
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4
pills/04/let-scope.txt
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@ -1,2 +1,2 @@
nix-repl> let a = (let b = 3; in b); in b nix-repl> let a = (let c = 3; in c); in c
error: undefined variable `b' at (string):1:31 error: undefined variable `c' at (string):1:31