macro_tools 0.85.0

Tools for writing procedural macroses.
Documentation 
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use super :: *;

#[ test ]
fn test_needs_drop() 
{
  struct NeedsDrop;

  impl Drop for NeedsDrop 
  {
  fn drop( &mut self ) {}
 }

  assert!(core ::mem ::needs_drop :: < NeedsDrop >());

  // Test each of the types with a handwritten TrivialDrop impl above.
  assert!(!core ::mem ::needs_drop :: < core ::iter ::Empty<NeedsDrop >>());
  assert!(!core ::mem ::needs_drop :: < core ::slice ::Iter<'_, NeedsDrop >>());
  assert!(!core ::mem ::needs_drop :: < core ::slice ::IterMut<'_, NeedsDrop >>());
  assert!(!core ::mem ::needs_drop :: < core ::option ::IntoIter<&NeedsDrop >>());
  assert!(!core ::mem ::needs_drop :: < core ::option ::IntoIter<&mut NeedsDrop >>());
}