• branch=trunk inherited from [f65680e1d2]
• sym-trunk inherited from [f65680e1d2]

Modified polemy/parse.d from [3e7ec41f1027e8ba] to [42c980cf31500e88].

   174    174      scope(exit) lex.popFront;
   175    175      return new IntLiteral(pos, BigInt(cast(string)lex.front.str));
   176    176     }
   177    177     if( tryEat("@") )
   178    178     {
   179    179      auto lay = "@"~eatId("for layer ID");
   180    180      eat("(", "for layered execution");
   181         -   auto e = E(0);
          181  +   auto e = Body();
   182    182      eat(")", "after "~lay~"(...");
   183    183      return new LayeredExpression(pos, lay, e);
   184    184     }
   185    185     if( tryEat("(") )
   186    186     {
   187    187      auto e = Body();
   188    188      eat(")", "after parenthesized expression");

Added sample/fizzbuzz.pmy version [d3f621f8aabb3e95]

            1  +#
            2  +# Not at all a good example of the usage of layers, but anyway...
            3  +#
            4  +# after implementing layered parameters, this may be improved.
            5  +# (though still not a good example...)
            6  +#
            7  +
            8  +@ 3 print(x) { @v(print("Fizz")) };
            9  +@ 5 print(x) { @v(print("Buzz")) };
           10  +@15 print(x) { @v(print("FizzBuzz")) };
           11  +
           12  +def fb(n, q3, q5, q15) {
           13  + if( q15 < 1 ) {
           14  +  @15(print)
           15  + } else {
           16  +  if( q5 < 1 ) {
           17  +   @5(print)
           18  +  } else {
           19  +   if( q3 < 1 ) {
           20  +    @3(print)
           21  +   } else {
           22  +    @v(print)
           23  +   }
           24  +  }
           25  + }(n);
           26  + let q3 = q3+1;
           27  + let q5 = q5+1;
           28  + let q15 = q15+1;
           29  +
           30  + fb(
           31  +  n+1,
           32  +  if(q3<3){q3}else{0},
           33  +  if(q5<5){q5}else{0},
           34  +  if(q15<15){q15}else{0}
           35  + )
           36  +};
           37  +
           38  +fb(0,0,0,0)