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add support for cell-paths to NUON (#12718)

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# Description
_cell paths_ can be easily serialized back and forth to NUON with the
leading `$.` syntax.

# User-Facing Changes
```nushell
$.foo.bar.0 | to nuon
```
and
```nushell
"$.foo.bar.0" | from nuon
```
are now possible

# Tests + Formatting
a new `cell_path` test has been added to `nuon`

# After Submitting
This commit is contained in:
Antoine Stevan
2024-05-03 03:25:19 +02:00
committed by GitHub
parent 944ebac1c2
commit bc6d934fa1
3 changed files with 21 additions and 13 deletions
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7
crates/nuon/src/from.rs
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@ -148,12 +148,7 @@ fn convert_to_value(
msg: "calls not supported in nuon".into(),
span: expr.span,
}),
Expr::CellPath(..) => Err(ShellError::OutsideSpannedLabeledError {
src: original_text.to_string(),
error: "Error when loading".into(),
msg: "subexpressions and cellpaths not supported in nuon".into(),
span: expr.span,
}),
Expr::CellPath(val) => Ok(Value::cell_path(val, span)),
Expr::DateTime(dt) => Ok(Value::date(dt, span)),
Expr::ExternalCall(..) => Err(ShellError::OutsideSpannedLabeledError {
src: original_text.to_string(),