Macro teon 

macro_rules! teon {
    (@array [$($elems:expr,)*]) => { ... };
    (@array [$($elems:expr),*]) => { ... };
    (@array [$($elems:expr,)*] null $($rest:tt)*) => { ... };
    (@array [$($elems:expr,)*] true $($rest:tt)*) => { ... };
    (@array [$($elems:expr,)*] false $($rest:tt)*) => { ... };
    (@array [$($elems:expr,)*] [$($array:tt)*] $($rest:tt)*) => { ... };
    (@array [$($elems:expr,)*] {$($map:tt)*} $($rest:tt)*) => { ... };
    (@array [$($elems:expr,)*] $next:expr, $($rest:tt)*) => { ... };
    (@array [$($elems:expr,)*] $last:expr) => { ... };
    (@array [$($elems:expr),*] , $($rest:tt)*) => { ... };
    (@array [$($elems:expr),*] $unexpected:tt $($rest:tt)*) => { ... };
    (@object $object:ident () () ()) => { ... };
    (@object $object:ident [$($key:tt)+] ($value:expr) , $($rest:tt)*) => { ... };
    (@object $object:ident [$($key:tt)+] ($value:expr) $unexpected:tt $($rest:tt)*) => { ... };
    (@object $object:ident [$($key:tt)+] ($value:expr)) => { ... };
    (@object $object:ident ($($key:tt)+) (: null $($rest:tt)*) $copy:tt) => { ... };
    (@object $object:ident ($($key:tt)+) (: true $($rest:tt)*) $copy:tt) => { ... };
    (@object $object:ident ($($key:tt)+) (: false $($rest:tt)*) $copy:tt) => { ... };
    (@object $object:ident ($($key:tt)+) (: [$($array:tt)*] $($rest:tt)*) $copy:tt) => { ... };
    (@object $object:ident ($($key:tt)+) (: {$($map:tt)*} $($rest:tt)*) $copy:tt) => { ... };
    (@object $object:ident ($($key:tt)+) (: $value:expr , $($rest:tt)*) $copy:tt) => { ... };
    (@object $object:ident ($($key:tt)+) (: $value:expr) $copy:tt) => { ... };
    (@object $object:ident ($($key:tt)+) (:) $copy:tt) => { ... };
    (@object $object:ident ($($key:tt)+) () $copy:tt) => { ... };
    (@object $object:ident () (: $($rest:tt)*) ($colon:tt $($copy:tt)*)) => { ... };
    (@object $object:ident ($($key:tt)*) (, $($rest:tt)*) ($comma:tt $($copy:tt)*)) => { ... };
    (@object $object:ident () (($key:expr) : $($rest:tt)*) $copy:tt) => { ... };
    (@object $object:ident ($($key:tt)*) (: $($unexpected:tt)+) $copy:tt) => { ... };
    (@object $object:ident ($($key:tt)*) ($tt:tt $($rest:tt)*) $copy:tt) => { ... };
    (null) => { ... };
    ([]) => { ... };
    ([ $($tt:tt)+ ]) => { ... };
    ({}) => { ... };
    ({ $($tt:tt)+ }) => { ... };
    ($other:expr) => { ... };
}

Construct a teo::teon::Value from a Teo object notation literal. This is inspired by serde_json package and bson package.

let value = teon!({
    "code": 200,
    "success": true,
    "payload": {
        "features": [
            "teo",
            "teon"
        ]
    }
});