[Boost-users] [Proto] Non-const First Argument for Nested eval<>'s operator() ()

Subject: [Boost-users] [Proto] Non-const First Argument for Nested eval<>'s operator() ()
From: Hossein Haeri (powerprogman_at_[hidden])
Date: 2011-01-10 10:00:28

Dear all,

In the Proto documentation, is there any reason why in all the specialisations of eval<Expr> for contexts, the first argument to their operator() is of type Expr& as opposed to const Expr&?

TIA,
--Hossein