64c69aa7b8
Issue #667 Wires in a basic framework for destination-passing style, with backwards-compatibility to the old approach, so that expression types can be moved over to it one at a time (by moving them from trans_expr to trans_expr_dps).
This is a compiler and suite of associated libraries and documentation for the Rust programming language. See LICENSE.txt for terms of copyright and redistribution. See http://www.rust-lang.org for more information.