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Rollup merge of #23590 - FuGangqiang:attr, r=alexcrichton

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Manish Goregaokar 2015-03-22 01:36:41 +05:30
commit b4e9106a8a
1 changed files with 3 additions and 3 deletions
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src/doc/reference.md
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@ -1982,7 +1982,7 @@ the namespace hierarchy as it normally would.
## Attributes
```{.ebnf .gram}
attribute : "#!" ? '[' meta_item ']' ;
attribute : '#' '!' ? '[' meta_item ']' ;
meta_item : ident [ '=' literal
| '(' meta_seq ')' ] ? ;
meta_seq : meta_item [ ',' meta_seq ] ? ;
@ -3158,7 +3158,7 @@ ten_times(|j| println!("hello, {}", j));
### While loops
```{.ebnf .gram}
while_expr : "while" no_struct_literal_expr '{' block '}' ;
while_expr : [ lifetime ':' ] "while" no_struct_literal_expr '{' block '}' ;
```
A `while` loop begins by evaluating the boolean loop conditional expression.
@ -3223,7 +3223,7 @@ A `continue` expression is only permitted in the body of a loop.
### For expressions
```{.ebnf .gram}
for_expr : "for" pat "in" no_struct_literal_expr '{' block '}' ;
for_expr : [ lifetime ':' ] "for" pat "in" no_struct_literal_expr '{' block '}' ;
```
A `for` expression is a syntactic construct for looping over elements provided