diff options
3 files changed, 32 insertions, 5 deletions
diff --git a/crates/parser/src/grammar/patterns.rs b/crates/parser/src/grammar/patterns.rs index bfa41c686e5..7e21a808da0 100644 --- a/crates/parser/src/grammar/patterns.rs +++ b/crates/parser/src/grammar/patterns.rs @@ -103,6 +103,8 @@ fn pattern_single_r(p: &mut Parser<'_>, recovery_set: TokenSet) { // ^ // `let 0 .. =` // ^ + // `let 0..: _ =` + // ^ // (1.., _) // ^ // `Some(0 .. )` @@ -111,9 +113,12 @@ fn pattern_single_r(p: &mut Parser<'_>, recovery_set: TokenSet) { // ^ // `[0..]` // ^ - if p.at(T![=]) | p.at(T![')']) | p.at(T![,]) | p.at(T!['}']) | p.at(T![']']) { + if matches!(p.current(), T![=] | T![,] | T![:] | T![')'] | T!['}'] | T![']']) { // test half_open_range_pat - // fn f() { let 0 .. = 1u32; } + // fn f() { + // let 0 .. = 1u32; + // let 0..: _ = 1u32; + // } } else { atom_pat(p, recovery_set); } diff --git a/crates/parser/test_data/parser/inline/ok/0166_half_open_range_pat.rast b/crates/parser/test_data/parser/inline/ok/0166_half_open_range_pat.rast index 3d3587a7063..4b401b60df0 100644 --- a/crates/parser/test_data/parser/inline/ok/0166_half_open_range_pat.rast +++ b/crates/parser/test_data/parser/inline/ok/0166_half_open_range_pat.rast @@ -11,7 +11,7 @@ SOURCE_FILE BLOCK_EXPR STMT_LIST L_CURLY "{" - WHITESPACE " " + WHITESPACE "\n " LET_STMT LET_KW "let" WHITESPACE " " @@ -27,6 +27,25 @@ SOURCE_FILE LITERAL INT_NUMBER "1u32" SEMICOLON ";" - WHITESPACE " " + WHITESPACE "\n " + LET_STMT + LET_KW "let" + WHITESPACE " " + RANGE_PAT + LITERAL_PAT + LITERAL + INT_NUMBER "0" + DOT2 ".." + COLON ":" + WHITESPACE " " + INFER_TYPE + UNDERSCORE "_" + WHITESPACE " " + EQ "=" + WHITESPACE " " + LITERAL + INT_NUMBER "1u32" + SEMICOLON ";" + WHITESPACE "\n" R_CURLY "}" WHITESPACE "\n" diff --git a/crates/parser/test_data/parser/inline/ok/0166_half_open_range_pat.rs b/crates/parser/test_data/parser/inline/ok/0166_half_open_range_pat.rs index 1360eda0565..c9386a221a9 100644 --- a/crates/parser/test_data/parser/inline/ok/0166_half_open_range_pat.rs +++ b/crates/parser/test_data/parser/inline/ok/0166_half_open_range_pat.rs @@ -1 +1,4 @@ -fn f() { let 0 .. = 1u32; } +fn f() { + let 0 .. = 1u32; + let 0..: _ = 1u32; +} |