node_modules/uncrustify/tests/input/d/delegate.d

module er;

void delegate(ubyte[] a) TSender;
bool delegate(ushort a) TVerifier;
typedef ushort          TAddr;

public void delegate(ubyte[] a) TSender;
public                       bool delegate(ushort a) TVerifier;
public typedef ushort   TAddr;

void delegate() dg;
    dg = { int y; };

    int opApply(int delegate(inout Type [, ...]) dg);

void main()
{
   assert( findIf( "bcecg", ( int x ) { return x == 'a'; } ) == 5 );
}