diff options
author | Aleksey Kladov <[email protected]> | 2018-07-31 13:30:11 +0100 |
---|---|---|
committer | Aleksey Kladov <[email protected]> | 2018-07-31 13:30:11 +0100 |
commit | 580340d1b879a434302d314ef6cd9f4cae0cd57d (patch) | |
tree | bf13870f08fd24a0d1ab557e14231246d8ea1b0a /src/parser/grammar/patterns.rs | |
parent | 346f6e4f7d364b009d0feb66162314abfd06c81b (diff) |
mut bindings
Diffstat (limited to 'src/parser/grammar/patterns.rs')
-rw-r--r-- | src/parser/grammar/patterns.rs | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/parser/grammar/patterns.rs b/src/parser/grammar/patterns.rs index 6e4f2236b..a5d13a124 100644 --- a/src/parser/grammar/patterns.rs +++ b/src/parser/grammar/patterns.rs | |||
@@ -4,7 +4,7 @@ pub(super) fn pattern(p: &mut Parser) { | |||
4 | match p.current() { | 4 | match p.current() { |
5 | UNDERSCORE => placeholder_pat(p), | 5 | UNDERSCORE => placeholder_pat(p), |
6 | AMPERSAND => ref_pat(p), | 6 | AMPERSAND => ref_pat(p), |
7 | IDENT | REF_KW => bind_pat(p), | 7 | IDENT | REF_KW | MUT_KW => bind_pat(p), |
8 | _ => p.err_and_bump("expected pattern"), | 8 | _ => p.err_and_bump("expected pattern"), |
9 | } | 9 | } |
10 | } | 10 | } |
@@ -35,14 +35,18 @@ fn ref_pat(p: &mut Parser) { | |||
35 | // test bind_pat | 35 | // test bind_pat |
36 | // fn main() { | 36 | // fn main() { |
37 | // let a = (); | 37 | // let a = (); |
38 | // let ref b = (); | 38 | // let mut b = (); |
39 | // let ref mut c = (); | 39 | // let ref c = (); |
40 | // let d @ _ = (); | 40 | // let ref mut d = (); |
41 | // let e @ _ = (); | ||
42 | // let ref mut f @ g @ _ = (); | ||
41 | // } | 43 | // } |
42 | fn bind_pat(p: &mut Parser) { | 44 | fn bind_pat(p: &mut Parser) { |
43 | let m = p.start(); | 45 | let m = p.start(); |
44 | if p.eat(REF_KW) { | 46 | if p.eat(REF_KW) { |
45 | p.eat(MUT_KW); | 47 | p.eat(MUT_KW); |
48 | } else { | ||
49 | p.eat(MUT_KW); | ||
46 | } | 50 | } |
47 | name(p); | 51 | name(p); |
48 | if p.eat(AT) { | 52 | if p.eat(AT) { |