On Wednesday, 13 November 2013 at 08:45:13 UTC, Walter Bright
wrote:
On 11/13/2013 12:03 AM, Jacob Carlborg wrote:
Again, operator overloading in D is too limiting to implement
something Linq like.
Ok, let's set aside the opEquals and opCmp issue for the moment.
Can AST macros do anything that expression templates cannot?
With an expression template you still can't create a statement.
It has to revolve to a declaration.
But as I said before, it's primarily syntax sugar. Expression
templates are just a mass of boilerplate code. I came to the
conclusion that the code for expression templates was no less
ugly than for string mixins.
What is true, though, is everything an AST macro can do, can
already be done with a string mixin. The syntax is just ugly.
calling syntax power implementation
string mixin ugly high ugly
expr template ok low ugly
AST macro good ? ?
