Function to_xml 

pub fn to_xml(
    file: &str,
    output: Option<&str>,
    pretty: bool,
) -> Result<(), CliError>

Convert a HEDL file to XML format.

Parses a HEDL file and converts it to XML, with optional pretty-printing.

Arguments

• file - Path to the HEDL file to convert
• output - Optional output file path. If None, writes to stdout
• pretty - If true, pretty-prints the XML with indentation

Returns

Returns Ok(()) on success.

Errors

Returns Err if:

• The file cannot be read
• The file contains syntax errors
• XML conversion fails
• Output writing fails

Examples

use hedl_cli::commands::to_xml;

// Convert to compact XML on stdout
to_xml("data.hedl", None, false)?;

// Convert to pretty XML file
to_xml("data.hedl", Some("output.xml"), true)?;