Method with

src/user.rs:26–29

(mut self, k: T, v: T)

    }

    pub fn with<T: Into<String>>(mut self, k: T, v: T) -> Self {
        self.attrs.insert(k.into(), v.into());
        self
    }

    pub fn with_attrs(mut self, attrs: impl Iterator<Item = (String, String)>) -> Self {
        self.attrs.extend(attrs);