Function chinese_number::from_i64_to_string

pub fn from_i64_to_string(
    variant: ChineseVariant, 
    case: ChineseNumberCase, 
    method: ChineseNumberCountMethod, 
    value: i64, 
    buffer: &mut String
) -> Result<(), NumberToChineseNumberError>

將i64整數轉成中文數字。