diff options
author | Aleksey Kladov <[email protected]> | 2018-07-31 13:33:51 +0100 |
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committer | Aleksey Kladov <[email protected]> | 2018-07-31 13:33:51 +0100 |
commit | f843f23abae72ba3bd2920edc2a8635eafb61409 (patch) | |
tree | 34590d26e6c1c510013c103a1787f01e47cf03c7 /src/parser/grammar/items | |
parent | 580340d1b879a434302d314ef6cd9f4cae0cd57d (diff) |
Type ascription in let
Diffstat (limited to 'src/parser/grammar/items')
-rw-r--r-- | src/parser/grammar/items/mod.rs | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/src/parser/grammar/items/mod.rs b/src/parser/grammar/items/mod.rs index 73fd5235a..00c52dc09 100644 --- a/src/parser/grammar/items/mod.rs +++ b/src/parser/grammar/items/mod.rs | |||
@@ -267,13 +267,24 @@ fn fn_item(p: &mut Parser) { | |||
267 | m.complete(p, BLOCK); | 267 | m.complete(p, BLOCK); |
268 | } | 268 | } |
269 | 269 | ||
270 | // test let_stmt; | ||
271 | // fn foo() { | ||
272 | // let a; | ||
273 | // let b: i32; | ||
274 | // let c = 92; | ||
275 | // let d: i32 = 92; | ||
276 | // } | ||
270 | fn let_stmt(p: &mut Parser) { | 277 | fn let_stmt(p: &mut Parser) { |
271 | assert!(p.at(LET_KW)); | 278 | assert!(p.at(LET_KW)); |
272 | let m = p.start(); | 279 | let m = p.start(); |
273 | p.bump(); | 280 | p.bump(); |
274 | patterns::pattern(p); | 281 | patterns::pattern(p); |
275 | p.expect(EQ); | 282 | if p.eat(COLON) { |
276 | expressions::expr(p); | 283 | types::type_(p); |
284 | } | ||
285 | if p.eat(EQ) { | ||
286 | expressions::expr(p); | ||
287 | } | ||
277 | p.expect(SEMI); | 288 | p.expect(SEMI); |
278 | m.complete(p, LET_STMT); | 289 | m.complete(p, LET_STMT); |
279 | } | 290 | } |