file-editor 0.2.0

Clean, elegant API for creating and editing text files
Documentation 
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use file_editor::Editor;

#[test]
fn insert_before_without_same_indent() -> std::io::Result<()> {
    let dir = tempfile::tempdir()?;
    let p = dir.path().join("ib.txt");

    Editor::create(&p)?
        .append("marker\n")
        .insert_before("marker", "// comment\n", /*same_indent=*/ false)
        .save()?;

    let expected = "// comment\nmarker\n";
    assert_eq!(std::fs::read_to_string(p)?, expected);
    Ok(())
}

#[test]
fn insert_before_without_indent_copy() -> std::io::Result<()> {
    let dir = tempfile::tempdir()?;
    let path = dir.path().join("plain.txt");

    Editor::create(&path)?
        .append("alpha beta gamma") // single line, no leading spaces
        .insert_before("beta", "X_", false) // same_indent = false
        .save()?;

    assert_eq!(std::fs::read_to_string(path)?, "alpha X_beta gamma");
    Ok(())
}