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Cusom command: default value shouldn't restrict argument's type #10410
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A:type-systemProblems or features related to nushell's type systemProblems or features related to nushell's type systemstatus:needs-triageAn issue that hasn't had any proper lookAn issue that hasn't had any proper look
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Describe the bug
Notice that when we define a custom command's argument with default value, the type of argument will be bounded.
How to reproduce
Run the following script:
def a [b: any = null] { print ($b == null) }
a 3Then nushell throws the following error:
Error: nu::parser::parse_mismatch_with_full_string_msg
× Parse mismatch during operation.
╭─[entry #16:1:1]
1 │ def a [b: any = null] { print ($b == null) }
2 │ a 3
· ┬
· ╰── expected nothing
╰────Expected behavior
I expected nu to print false
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Configuration
| key | value |
|---|---|
| version | 0.84.1 |
| branch | main |
| commit_hash | 715c157 |
| build_os | macos-x86_64 |
| build_target | x86_64-apple-darwin |
| rust_version | rustc 1.70.0 (90c541806 2023-05-31) |
| rust_channel | stable-x86_64-apple-darwin |
| cargo_version | cargo 1.70.0 (ec8a8a0ca 2023-04-25) |
| build_time | 2023-08-29 16:48:30 +08:00 |
| build_rust_channel | release |
| allocator | standard |
| features | default, extra, sqlite, trash, which, zip |
| installed_plugins |
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A:type-systemProblems or features related to nushell's type systemProblems or features related to nushell's type systemstatus:needs-triageAn issue that hasn't had any proper lookAn issue that hasn't had any proper look