Maraiah/src/durandal/mod.rs

//! Library for various utilities.

#[allow(dead_code)]
pub mod bin;
pub mod chunk;
pub mod crc;
pub mod err;
pub mod fx32;
pub mod image;
pub mod machead;
pub mod text;

/// Creates an enumeration and function for converting a representation into
/// the enumeration type.
#[macro_export]
macro_rules! c_enum
{
   (
      $(#[$outer:meta])*
      pub enum $E:ident: $T:ty
      {
         $($value:expr => $Enum:ident,)+
      }
   ) => {
      $(#[$outer])*
      pub enum $E
      {
         $($Enum,)+
      }

      impl $E
      {
         pub fn from_repr(n: $T) -> ResultS<$E>
         {
            let t = match n {
            $($value => $E::$Enum,)+
            n => return Err(format_err!("invalid representation for {} (got {})", stringify!($E), n))
            };
            Ok(t)
         }
      }
   };
}

// EOF