Macro adequate::validate

macro_rules! validate {
    ( $( $n:expr => $v:expr => [ $( $c:expr ),* ] ),* ) => { ... };
}

validate! macro validates given fields and its inputs.

Examples

    let text = "lorem ipsum dolor sit amet";

    let result = validate! {
        "name" => text => [length::max(9)]
    };
    assert!(result.is_err());

    let Error(out) = result.unwrap_err();
    assert_eq!(out, vec![
        Feedback {
            field: "name",
            messages: vec![
                Message {
                  text: "Must not have more characters than {0}",
                  args: vec!["9".to_string()]
                }
            ]
        }
    ]);

    let result = validate! {
        "name" => text => [length::max(64)],
        "description" => text => [length::max(255)]
    };
    assert!(result.is_ok());