Eliminate "new" for class object creation?

Andrei Alexandrescu SeeWebsiteForEmail at erdani.org
Mon Oct 19 15:38:13 PDT 2009


I'm having a hard time justifying that you use

new X(args)

to create a class object, and

X(args)

to create a struct object. I wrote this:

============
The syntactic  difference between  the expression creating  a @struct@
object---Test(@\meta{args}@)@---and the  expression creating a @class@
object---\cc{new Test(}\meta{args}@)@---may be  jarring at first. \dee
could have dropped the @new@  keyword entirely, but that @new@ reminds
the programmer that an object allocation (i.e., nontrivial work) takes
place.
===============

I'm unhappy about that explanation because the distinction is indeed 
very weak. The constructor of a struct could also do unbounded amounts 
of work, so what gives?

I hereby suggest we get rid of new for class object creation. What do 
you guys think?


Andrei



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