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//FIXE[rustc/macro reexport] re-export the macro once possible in stable
// currently this won't work well so this is just a copy of the macro in
// mail-headers ;=(
/// Create a header map from a list of header's with ther fields
///
/// # Example
///
/// ```
/// # #[macro_use]
/// # extern crate mail_headers;
/// # use mail_headers::headers::*;
/// # use mail_headers::error::ComponentCreationError;
/// # fn main() { (|| -> Result<(), ComponentCreationError> {
/// let map = headers! {
/// _From: ["bobo@nana.test"],
/// Subject: "hy there"
/// }?;
/// # Ok(()) })(); }
/// ```
#[macro_export]
macro_rules! headers {
($($header:ty : $val:expr),*) => ({
//FIXME[rust/catch block] use catch block once available
(|| -> Result<$crate::HeaderMap, ::mail::error::ComponentCreationError>
{
let mut map = ::mail::HeaderMap::new();
$(
map.insert(<$header as ::mail::HeaderKind>::body($val)?);
)*
Ok(map)
})()
});
}
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