From: Kevin S. Van Horn (kevin.vanhorn_at_[hidden])
Date: 2002-02-18 11:28:41
On 18 Feb 2002 nbecker_at_[hidden] wrote:
> joel> Next to typeof(x), I'd love to see Dave (Abraham's) "auto" for type deduction.
> joel> auto v = an_arbitrarily_complex_expression;
> Wow. c++ has always been strongly typed. Doesn't this potentially
> have far reaching consequences?
You don't have to lose strong typing for this to work. The point is that
the compiler can *deduce* the type for v -- it's just the type of
an_arbitrarily_complex_expression. One way to think of this is that
auto v = e;
is semantically equivalent to
where we define
template <typename T>
void foo(T v)
We see here that one might want to distinguish auto, auto &, auto const
and auto const &.
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