fn parse(text: String, bot_name: String=None) {
if let Some (name) = bot_name {
}
else {
}
}
Тут разная логика немного
fn parse(text: String) {
parse_with_bot_name(text, None)
}
fn parse_with_bot_name(text: String, bot_name: String) {
if let Some (name) = bot_name {
}
else {
}
}