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3 Commits

Author SHA1 Message Date
Patrick Walton
a5bb0a3a45 librustc: Remove the fallback to int for integers and f64 for 
floating point numbers for real.

This will break code that looks like:

    let mut x = 0;
    while ... {
        x += 1;
    }
    println!("{}", x);

Change that code to:

    let mut x = 0i;
    while ... {
        x += 1;
    }
    println!("{}", x);

Closes #15201.

[breaking-change]
 2014-06-29 11:47:58 -07:00
Patrick Walton
654d6444fe libsyntax: Disallow struct literals after if, while, match, and 
`for...in`.

Closes #14803.

If you used a structure literal after one of these keywords, surround it
in parentheses.

[breaking-change]
 2014-06-23 15:39:29 -07:00
Edward Wang
4690ab0ea8 Match binding is assignment 
In its first pass, namely gather_loans, the borrow checker tracks the
initialization sites among other things it does. It does so for let
bindings with initializers but not for bindings in match arms, which are
effectively also assignments. This patch does that for borrow checker.

Closes #12452.
 2014-02-24 21:22:27 -08:00