Function edit_text 

pub fn edit_text(
    text: Option<&str>,
    editor: Option<&str>,
    extension: &str,
    require_save: bool,
) -> Result<Option<String>>

Open a text editor for the user to edit content.

Arguments

• text - Initial text to populate the editor with
• editor - Editor command to use, or None to use $EDITOR/$VISUAL/vi
• extension - File extension for the temporary file
• require_save - If true, return None if user didn’t save

Returns

The edited text, or None if editing was cancelled.