Have a specific cruft is better then have nothing. I thing it will be usefull for metaprogramming if we can get or maybe change expression tree use some DLR or only IronRuby functionality. I don't see the problem to use V2 insted V1
2009/8/19 Curt Hagenlocher <cu...@microsoft.com> > Basically correct – you’d need to build the expression tree by hand. > IronRuby does, of course, generate expression trees, but even if there were > a convenient way to get at them, they’d be full of scopes and closures and > other kinds of language-specific cruft. > > > > Also, under .NET 3.5, the expression trees built by the compiler are “V1” > not compatible with the “V2” expression trees used by the DLR. > > > > *From:* ironruby-core-boun...@rubyforge.org [mailto: > ironruby-core-boun...@rubyforge.org] *On Behalf Of *Orion Edwards > *Sent:* Tuesday, August 18, 2009 4:00 PM > *To:* ironruby-core@rubyforge.org > *Subject:* Re: [Ironruby-core] Can I get method expresion tree by method > name? > > > > Based on my (limited) knowledge of expression trees, they are provided by > the C# or VB.net compiler, at compilation time. > > > > As such you can only get the expression tree by calling a function which > takes Expression<T> from some C# code. The C# compiler will notice that you > are doing this, and will build the expression tree as part of it's other > compilation. > > > > This means that > > a) you can't get expression trees for things at runtime, => > > b) dynamic languages can't get expression trees, => > > c) IronRuby can't get expression trees => > > d) No, you can't get a method expression tree by it's name > > > > If I'm wrong on this, I'd be overjoyed, because getting an expression tree > in a DLR language would be awesome :-) > > > > _______________________________________________ > Ironruby-core mailing list > Ironruby-core@rubyforge.org > http://rubyforge.org/mailman/listinfo/ironruby-core > >
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