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  1. 19 12月, 2014 6 次提交
    • J
      Tell expr_use_visitor that user unops are by value · b98c3bd4
      由 Jorge Aparicio 提交于
      b98c3bd4
    • J
      Tell trans that user unops are by value · 9a962a7b
      由 Jorge Aparicio 提交于
      9a962a7b
    • J
      Tell typeck that user unops are by value · c5b6d941
      由 Jorge Aparicio 提交于
      c5b6d941
    • J
      syntax/ast_util: add `is_by_value_unop()` · 7efaf3fa
      由 Jorge Aparicio 提交于
      7efaf3fa
    • B
      auto merge of #19984 : japaric/rust/macro-expressions, r=alexcrichton · f9a48492
      由 bors 提交于 
      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]

---

Rebased version of #18958
r? @alexcrichton 
cc @pcwalton
      f9a48492
    • P
      librustc: Always parse `macro!()`/`macro![]` as expressions if not · ddb2466f
      由 Patrick Walton 提交于 
      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]
      ddb2466f
  3. 18 12月, 2014 34 次提交