Commit Graph

5 Commits

Author SHA1 Message Date
Patrick Walton
ddb2466f6a librustc: Always parse macro!()/macro![] as expressions if not
followed by a semicolon.

This allows code like `vec![1i, 2, 3].len();` to work.

This breaks code that uses macros as statements without putting
semicolons after them, such as:

    fn main() {
        ...
        assert!(a == b)
        assert!(c == d)
        println(...);
    }

It also breaks code that uses macros as items without semicolons:

    local_data_key!(foo)

    fn main() {
        println("hello world")
    }

Add semicolons to fix this code. Those two examples can be fixed as
follows:

    fn main() {
        ...
        assert!(a == b);
        assert!(c == d);
        println(...);
    }

    local_data_key!(foo);

    fn main() {
        println("hello world")
    }

RFC #378.

Closes #18635.

[breaking-change]
2014-12-18 12:09:07 -05:00
P1start
5bf9ef2122 Convert some notes to help messages
Closes #18126.
2014-11-02 16:12:23 +13:00
Brian Anderson
451e8c1c61 Convert most code to new inner attribute syntax.
Closes #2569
2014-03-28 17:12:21 -07:00
Derek Guenther
730bdb6403 Added tests to make tidy 2014-02-07 12:49:24 -06:00
Florian Hahn
c74c854adc Better error message for semicolon on the last line of a function
closes #8005
2014-01-13 19:45:34 +01:00