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# Description Close: #12083 Close: #12084 # User-Facing Changes It's a breaking change because we have switched the position of `<initial>` and `<closure>`, after the change, initial value will be optional. So it's possible to do something like this: ```nushell > let f = {|fib = [0, 1]| {out: $fib.0, next: [$fib.1, ($fib.0 + $fib.1)]} } > generate $f | first 5 ╭───┬───╮ │ 0 │ 0 │ │ 1 │ 1 │ │ 2 │ 1 │ │ 3 │ 2 │ │ 4 │ 3 │ ╰───┴───╯ ``` It will also raise error if user don't give initial value, and the closure don't have default parameter. ```nushell ❯ let f = {|fib| {out: $fib.0, next: [$fib.1, ($fib.0 + $fib.1)]} } ❯ generate $f Error: × The initial value is missing ╭─[entry #5:1:1] 1 │ generate $f · ────┬─── · ╰── Missing intial value ╰──── help: Provide <initial> value in generate, or assigning default value to closure parameter ``` # Tests + Formatting Added some test cases. --------- Co-authored-by: Stefan Holderbach <sholderbach@users.noreply.github.com> |
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This crate contains the majority of our commands
We allow ourselves to move some of the commands in nu-command to nu-cmd-* crates as needed.
Internal Nushell crate
This crate implements components of Nushell and is not designed to support plugin authors or other users directly.