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CONST LOOPS ARE HERE

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This commit is contained in:
Aleksey Kladov 2020-08-27 18:11:33 +02:00
parent 6f6580dec7
commit 4b989009e3
8 changed files with 38 additions and 29 deletions
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17
crates/parser/src/grammar/patterns.rs
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@ -2,9 +2,18 @@
use super::*;
pub(super) const PATTERN_FIRST: TokenSet = expressions::LITERAL_FIRST
.union(paths::PATH_FIRST)
.union(token_set![T![box], T![ref], T![mut], T!['('], T!['['], T![&], T![_], T![-], T![.]]);
pub(super) const PATTERN_FIRST: TokenSet =
expressions::LITERAL_FIRST.union(paths::PATH_FIRST).union(TokenSet::new(&[
T![box],
T![ref],
T![mut],
T!['('],
T!['['],
T![&],
T![_],
T![-],
T![.],
]));
pub(crate) fn pattern(p: &mut Parser) {
pattern_r(p, PAT_RECOVERY_SET);
@ -74,7 +83,7 @@ fn pattern_single_r(p: &mut Parser, recovery_set: TokenSet) {
}
const PAT_RECOVERY_SET: TokenSet =
token_set![LET_KW, IF_KW, WHILE_KW, LOOP_KW, MATCH_KW, R_PAREN, COMMA];
TokenSet::new(&[LET_KW, IF_KW, WHILE_KW, LOOP_KW, MATCH_KW, R_PAREN, COMMA]);
fn atom_pat(p: &mut Parser, recovery_set: TokenSet) -> Option<CompletedMarker> {
let m = match p.nth(0) {