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lix/doc/manual/rl-next/forbid-nested-debuggers.md
Théophane Hufschmitt 6c29016a09 Merge pull request #9920 from 9999years/forbid-nested-debuggers 
Forbid nested debuggers

(cherry picked from commit e164b39ee90fd655dbb7f479fdd4fbe38cc883bd)
Change-Id: Iff62f40fd251116516a63e2d3f9fb5b21480b16d
2024-03-31 17:28:25 +00:00

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synopsis prs
Nested debuggers are no longer supported 9920

Previously, evaluating an expression that throws an error in the debugger would enter a second, nested debugger:

nix-repl> builtins.throw "what"
error: what


Starting REPL to allow you to inspect the current state of the evaluator.

Welcome to Nix 2.18.1. Type :? for help.

nix-repl>

Now, it just prints the error message like nix repl:

nix-repl> builtins.throw "what"
error:
       … while calling the 'throw' builtin
         at «string»:1:1:
            1| builtins.throw "what"
             | ^

       error: what