function body uses variable which out of scope

[WindSoilder]

Describe the bug

Continue from comment: #9724 (comment)

How to reproduce

Run the following code in repl or script

let b = 3
def c [] { echo $b }
c

It outputs 3

Expected behavior

I expected nu to returns error which says that $b is not found

Screenshots

No response

Configuration

key	value
version	0.82.1
branch	nightly
commit_hash	bd00328
build_os	linux-x86_64
build_target	x86_64-unknown-linux-gnu
rust_version	rustc 1.68.2 (9eb3afe9e 2023-03-27)
rust_channel	1.68.2-x86_64-unknown-linux-gnu
cargo_version	cargo 1.68.2 (6feb7c9cf 2023-03-26)
build_time	2023-07-12 02:15:14 +00:00
build_rust_channel	release
allocator	mimalloc
features	default, sqlite, static-link-openssl, trash, which, zip
installed_plugins

Additional context

The following works as expected, although the error message is not fine.

 do { 
    let b = 3
    def c [] { echo $b }
    c 
 }

[sophiajt]

After discussing with folks during the Nushell meeting, it looks like the system does allow def to close over variables. Your examples should work.

I've fixed the do case in #9764

[WindSoilder]

Ok, so I'd closing this