Jorge Aparicio 210dd611aa implement the ? operator ...

The `?` postfix operator is sugar equivalent to the try! macro, but is more amenable to chaining:
`File::open("foo")?.metadata()?.is_dir()`.

`?` is accepted on any *expression* that can return a `Result`, e.g. `x()?`, `y!()?`, `{z}?`,
`(w)?`, etc. And binds more tightly than unary operators, e.g. `!x?` is parsed as `!(x?)`.

cc #31436

2016-03-07 14:39:39 -05:00

..

lexer

Display better snippet for invalid char literal

2016-01-14 17:34:42 +00:00

attr.rs

Use associated functions for libsyntax SepSeq constructors.

2016-02-22 23:24:42 -05:00

classify.rs

[breaking-change] don't pub export ast::Stmt_ variants

2016-02-11 12:34:48 +01:00

common.rs

Use associated functions for libsyntax SepSeq constructors.

2016-02-22 23:24:42 -05:00

mod.rs

Rename ast::Pat_ and its variants

2016-02-13 13:49:24 +03:00

obsolete.rs

use structured errors

2015-12-30 14:27:59 +13:00

parser.rs

implement the ? operator

2016-03-07 14:39:39 -05:00

token.rs

Auto merge of #30884 - durka:inclusive-ranges, r=aturon

2016-03-06 07:16:41 +00:00