Function save_adapter 

pub fn save_adapter<P: AsRef<Path>>(
    layer: &LoRALayer,
    rank: usize,
    alpha: f32,
    path: P,
) -> Result<(), AdapterError>

Save LoRA adapter to file (Entrenar JSON format)

Arguments

• layer - LoRALayer to save
• rank - LoRA rank
• alpha - LoRA alpha parameter
• path - File path to save to