mapper 1.1.4

Mapping macro to help to reduce mapping boilerplate
Documentation 
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use mapper_api::Mapper;
use mapper_impl::Mapper;

#[cfg(test)]
#[test]
pub fn map_multiple_fields_should_works() {
    #[derive(Mapper)]
    #[to(Person)]
    struct User {
        name: String,
        account_id: String,
    }
    struct Person {
        name: String,
        account_id: String,
    }
    let user = User {
        account_id: "ID-123".to_owned(),
        name: "Marie".to_string(),
    };
    let person: Person = user.to();
    assert_eq!(person.name, user.name);
    assert_eq!(person.account_id, user.account_id);
}

#[test]
pub fn map_one_field_should_works() {
    #[derive(Mapper)]
    #[to(Person)]
    struct User {
        name: String,
    }
    struct Person {
        name: String,
    }
    let user = User {
        name: "Marie".to_string(),
    };
    let person: Person = user.to();
    assert_eq!(person.name, user.name);
}
#[test]
pub fn map_field_with_generic_destination_type() {
    #[derive(Mapper)]
    #[to(Person::<String>)]
    struct User {
        name: String,
    }
    struct Person<T> {
        name: T,
    }
    let user = User {
        name: "Marie".to_owned(),
    };
    let person: Person<String> = user.to();
    assert_eq!("Marie", person.name);
}

#[test]
pub fn map_field_with_generics_destination_type() {
    #[derive(Mapper)]
    #[to(Person::<String, u8>)]
    struct User {
        name: String,
        age: u8,
    }
    struct Person<T, U> {
        name: T,
        age: U,
    }
    let user = User {
        name: "Marie".to_owned(),
        age: 35,
    };
    let person: Person<String, u8> = user.to();
    assert_eq!("Marie", person.name);
}

#[test]
pub fn map_field_by_consuming_self() {
    #[derive(Mapper)]
    #[to(Person, strategy=into)]
    struct User {
        name: String,
    }
    struct Person {
        name: String,
    }
    let user = User {
        name: "Marie".to_owned(),
    };
    let person: Person = user.into();
    assert_eq!("Marie", person.name)
}

#[test]
pub fn map_field_use_all_strategies() {
    #[derive(Mapper)]
    #[to(Person, strategy=all)]
    struct User {
        name: String,
    }
    struct Person {
        name: String,
    }
    let user = User {
        name: "Marie".to_owned(),
    };
    let person_mapper: Person = user.to();
    let person_into: Person = user.into();
    assert_eq!("Marie", person_into.name);
    assert_eq!("Marie", person_mapper.name);
}

#[test]
pub fn mapping_works_for_tuple_structs() {
    #[derive(Mapper)]
    #[to(Person, strategy=all)]
    struct User(u16);
    struct Person(u16);
    let user = User(30);
    let person_mapper: Person = user.to();
    let person_into: Person = user.into();
    assert_eq!(30, person_into.0);
    assert_eq!(30, person_mapper.0);
}