Macro over::arr

macro_rules! arr {
    [] => { ... };
    [ $( $elem:expr ),+ , ] => { ... };
    [ $( $elem:expr ),+ ] => { ... };
}

Given an array of elements, converts each element to values and returns an Arr containing a vector of the elements. For a non-panicking version, see try_arr!.

Panics

Panics if the types don't check out.