diff options
3 files changed, 59 insertions, 1 deletions
diff --git a/crates/parser/src/grammar/patterns.rs b/crates/parser/src/grammar/patterns.rs index 633e3e0a0b9..abcefffa23f 100644 --- a/crates/parser/src/grammar/patterns.rs +++ b/crates/parser/src/grammar/patterns.rs @@ -126,11 +126,21 @@ fn pattern_single_r(p: &mut Parser<'_>, recovery_set: TokenSet) { // ^ // `[0..]` // ^ - if matches!(p.current(), T![=] | T![,] | T![:] | T![')'] | T!['}'] | T![']']) { + // `0 .. if` + // ^ + if matches!( + p.current(), + T![=] | T![,] | T![:] | T![')'] | T!['}'] | T![']'] | T![if] + ) { // test half_open_range_pat // fn f() { // let 0 .. = 1u32; // let 0..: _ = 1u32; + // + // match 42 { + // 0 .. if true => (), + // _ => (), + // } // } } 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 4b401b60df0..c85a6859911 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 @@ -46,6 +46,49 @@ SOURCE_FILE LITERAL INT_NUMBER "1u32" SEMICOLON ";" + WHITESPACE "\n\n " + MATCH_EXPR + MATCH_KW "match" + WHITESPACE " " + LITERAL + INT_NUMBER "42" + WHITESPACE " " + MATCH_ARM_LIST + L_CURLY "{" + WHITESPACE "\n " + MATCH_ARM + RANGE_PAT + LITERAL_PAT + LITERAL + INT_NUMBER "0" + WHITESPACE " " + DOT2 ".." + WHITESPACE " " + MATCH_GUARD + IF_KW "if" + WHITESPACE " " + LITERAL + TRUE_KW "true" + WHITESPACE " " + FAT_ARROW "=>" + WHITESPACE " " + TUPLE_EXPR + L_PAREN "(" + R_PAREN ")" + COMMA "," + WHITESPACE "\n " + MATCH_ARM + WILDCARD_PAT + UNDERSCORE "_" + WHITESPACE " " + FAT_ARROW "=>" + WHITESPACE " " + TUPLE_EXPR + L_PAREN "(" + R_PAREN ")" + COMMA "," + WHITESPACE "\n " + R_CURLY "}" 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 c9386a221a9..f7e2d07922e 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 @@ -1,4 +1,9 @@ fn f() { let 0 .. = 1u32; let 0..: _ = 1u32; + + match 42 { + 0 .. if true => (), + _ => (), + } } |