rclrust 0.0.2

ROS2 client written in Rust
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#[macro_export]
macro_rules! impl_from_trait_for_enum {
    (
        $new_type: ty,
        $old_type: ty,
        $( $new_item: ident := $old_item: ident ),+
        $(,)?
    ) => {
        impl From<$old_type> for $new_type {
            #![allow(deprecated)]
            fn from(item: $old_type) -> Self {
                match item {
                    $(<$old_type>::$old_item => Self::$new_item),+
                }
            }
        }

        impl From<$new_type> for $old_type {
            #![allow(deprecated)]
            fn from(item: $new_type) -> Self {
                match item {
                    $(<$new_type>::$new_item => Self::$old_item),+
                }
            }
        }

        impl From<$new_type> for std::os::raw::c_int {
            fn from(item: $new_type) -> Self {
                <$old_type>::from(item) as Self
            }
        }
    };
}