Merge #10287

10287: internal: more focused tests for const arguments r=matklad a=matklad

bors r+
🤖

Co-authored-by: Aleksey Kladov <aleksey.kladov@gmail.com>

crates/parser/src/grammar/generic_args.rs

@@ -23,11 +23,13 @@ pub(super) fn opt_generic_arg_list(p: &mut Parser, colon_colon_required: bool) {
     m.complete(p, GENERIC_ARG_LIST);
 }
 
-// test type_arg
+// test generic_arg
-// type A = B<'static, i32, 1, { 2 }, Item=u64, true, false>;
+// type T = S<i32>;
 fn generic_arg(p: &mut Parser) {
     match p.current() {
         LIFETIME_IDENT => lifetime_arg(p),
+        T!['{'] | T![true] | T![false] | T![-] => const_arg(p),
+        k if k.is_literal() => const_arg(p),
         // test associated_type_bounds
         // fn print_all<T: Iterator<Item, Item::Item, Item::<true>, Item: Display, Item<'a> = Item>>(printables: T) {}
         IDENT if [T![<], T![=], T![:]].contains(&p.nth(1)) => {
@@ -35,13 +37,15 @@ fn generic_arg(p: &mut Parser) {
             name_ref(p);
             opt_generic_arg_list(p, false);
             match p.current() {
-                // NameRef<...> =
+                // test assoc_type_eq
+                // type T = StreamingIterator<Item<'a> = &'a T>;
                 T![=] => {
                     p.bump_any();
                     types::type_(p);
                     m.complete(p, ASSOC_TYPE_ARG);
                 }
-                // NameRef<...>:
+                // test assoc_type_bound
+                // type T = StreamingIterator<Item<'a>: Clone>;
                 T![:] if !p.at(T![::]) => {
                     generic_params::bounds(p);
                     m.complete(p, ASSOC_TYPE_ARG);
@@ -53,35 +57,43 @@ fn generic_arg(p: &mut Parser) {
                 }
             }
         }
-        // test const_generic_negated_literal
-        // fn f() { S::<-1> }
-        T!['{'] | T![true] | T![false] | T![-] => const_arg(p),
-        k if k.is_literal() => const_arg(p),
         _ => type_arg(p),
     }
 }
 
+// test lifetime_arg
+// type T = S<'static>;
 fn lifetime_arg(p: &mut Parser) {
     let m = p.start();
     lifetime(p);
     m.complete(p, LIFETIME_ARG);
 }
 
+// test const_arg
+// type T = S<92>;
 pub(super) fn const_arg(p: &mut Parser) {
     let m = p.start();
     match p.current() {
+        // test const_arg_block
+        // type T = S<{90 + 2}>;
         T!['{'] => {
             expressions::block_expr(p);
             m.complete(p, CONST_ARG);
         }
+        // test const_arg_literal
+        // type T = S<"hello", 0xdeadbeef>;
         k if k.is_literal() => {
             expressions::literal(p);
             m.complete(p, CONST_ARG);
         }
+        // test const_arg_bool_literal
+        // type T = S<true>;
         T![true] | T![false] => {
             expressions::literal(p);
             m.complete(p, CONST_ARG);
         }
+        // test const_arg_negative_number
+        // type T = S<-92>;
         T![-] => {
             let lm = p.start();
             p.bump(T![-]);
@@ -89,6 +101,8 @@ pub(super) fn const_arg(p: &mut Parser) {
             lm.complete(p, PREFIX_EXPR);
             m.complete(p, CONST_ARG);
         }
+        // test const_arg_path
+        // struct S<const N: u32 = u32::MAX>;
         _ => {
             let lm = p.start();
             paths::use_path(p);

crates/parser/src/grammar/generic_params.rs

@@ -81,8 +81,6 @@ fn const_param(p: &mut Parser, m: Marker) {
     if p.at(T![=]) {
         // test const_param_defaults
         // struct A<const N: i32 = -1>;
-        // struct B<const N: i32 = {}>;
-        // struct C<const N: i32 = some::CONST>;
         p.bump(T![=]);
         generic_args::const_arg(p);
     }

crates/syntax/test_data/parser/inline/ok/0039_type_arg.rast

@@ -1,66 +0,0 @@
-SOURCE_FILE@0..59
-  TYPE_ALIAS@0..58
-    TYPE_KW@0..4 "type"
-    WHITESPACE@4..5 " "
-    NAME@5..6
-      IDENT@5..6 "A"
-    WHITESPACE@6..7 " "
-    EQ@7..8 "="
-    WHITESPACE@8..9 " "
-    PATH_TYPE@9..57
-      PATH@9..57
-        PATH_SEGMENT@9..57
-          NAME_REF@9..10
-            IDENT@9..10 "B"
-          GENERIC_ARG_LIST@10..57
-            L_ANGLE@10..11 "<"
-            LIFETIME_ARG@11..18
-              LIFETIME@11..18
-                LIFETIME_IDENT@11..18 "'static"
-            COMMA@18..19 ","
-            WHITESPACE@19..20 " "
-            TYPE_ARG@20..23
-              PATH_TYPE@20..23
-                PATH@20..23
-                  PATH_SEGMENT@20..23
-                    NAME_REF@20..23
-                      IDENT@20..23 "i32"
-            COMMA@23..24 ","
-            WHITESPACE@24..25 " "
-            CONST_ARG@25..26
-              LITERAL@25..26
-                INT_NUMBER@25..26 "1"
-            COMMA@26..27 ","
-            WHITESPACE@27..28 " "
-            CONST_ARG@28..33
-              BLOCK_EXPR@28..33
-                L_CURLY@28..29 "{"
-                WHITESPACE@29..30 " "
-                LITERAL@30..31
-                  INT_NUMBER@30..31 "2"
-                WHITESPACE@31..32 " "
-                R_CURLY@32..33 "}"
-            COMMA@33..34 ","
-            WHITESPACE@34..35 " "
-            ASSOC_TYPE_ARG@35..43
-              NAME_REF@35..39
-                IDENT@35..39 "Item"
-              EQ@39..40 "="
-              PATH_TYPE@40..43
-                PATH@40..43
-                  PATH_SEGMENT@40..43
-                    NAME_REF@40..43
-                      IDENT@40..43 "u64"
-            COMMA@43..44 ","
-            WHITESPACE@44..45 " "
-            CONST_ARG@45..49
-              LITERAL@45..49
-                TRUE_KW@45..49 "true"
-            COMMA@49..50 ","
-            WHITESPACE@50..51 " "
-            CONST_ARG@51..56
-              LITERAL@51..56
-                FALSE_KW@51..56 "false"
-            R_ANGLE@56..57 ">"
-    SEMICOLON@57..58 ";"
-  WHITESPACE@58..59 "\n"

crates/syntax/test_data/parser/inline/ok/0039_type_arg.rs

@@ -1 +0,0 @@
-type A = B<'static, i32, 1, { 2 }, Item=u64, true, false>;

crates/syntax/test_data/parser/inline/ok/0164_const_generic_negated_literal.rast

@@ -1,30 +0,0 @@
-SOURCE_FILE@0..19
-  FN@0..18
-    FN_KW@0..2 "fn"
-    WHITESPACE@2..3 " "
-    NAME@3..4
-      IDENT@3..4 "f"
-    PARAM_LIST@4..6
-      L_PAREN@4..5 "("
-      R_PAREN@5..6 ")"
-    WHITESPACE@6..7 " "
-    BLOCK_EXPR@7..18
-      L_CURLY@7..8 "{"
-      WHITESPACE@8..9 " "
-      PATH_EXPR@9..16
-        PATH@9..16
-          PATH_SEGMENT@9..16
-            NAME_REF@9..10
-              IDENT@9..10 "S"
-            GENERIC_ARG_LIST@10..16
-              COLON2@10..12 "::"
-              L_ANGLE@12..13 "<"
-              CONST_ARG@13..15
-                PREFIX_EXPR@13..15
-                  MINUS@13..14 "-"
-                  LITERAL@14..15
-                    INT_NUMBER@14..15 "1"
-              R_ANGLE@15..16 ">"
-      WHITESPACE@16..17 " "
-      R_CURLY@17..18 "}"
-  WHITESPACE@18..19 "\n"

crates/syntax/test_data/parser/inline/ok/0164_const_generic_negated_literal.rs

@@ -1 +0,0 @@
-fn f() { S::<-1> }

crates/syntax/test_data/parser/inline/ok/0165_const_param_defaults.rast

@@ -1,4 +1,4 @@
-SOURCE_FILE@0..96
+SOURCE_FILE@0..29
   STRUCT@0..28
     STRUCT_KW@0..6 "struct"
     WHITESPACE@6..7 " "
@@ -29,68 +29,3 @@ SOURCE_FILE@0..96
       R_ANGLE@26..27 ">"
     SEMICOLON@27..28 ";"
   WHITESPACE@28..29 "\n"
-  STRUCT@29..57
-    STRUCT_KW@29..35 "struct"
-    WHITESPACE@35..36 " "
-    NAME@36..37
-      IDENT@36..37 "B"
-    GENERIC_PARAM_LIST@37..56
-      L_ANGLE@37..38 "<"
-      CONST_PARAM@38..55
-        CONST_KW@38..43 "const"
-        WHITESPACE@43..44 " "
-        NAME@44..45
-          IDENT@44..45 "N"
-        COLON@45..46 ":"
-        WHITESPACE@46..47 " "
-        PATH_TYPE@47..50
-          PATH@47..50
-            PATH_SEGMENT@47..50
-              NAME_REF@47..50
-                IDENT@47..50 "i32"
-        WHITESPACE@50..51 " "
-        EQ@51..52 "="
-        WHITESPACE@52..53 " "
-        CONST_ARG@53..55
-          BLOCK_EXPR@53..55
-            L_CURLY@53..54 "{"
-            R_CURLY@54..55 "}"
-      R_ANGLE@55..56 ">"
-    SEMICOLON@56..57 ";"
-  WHITESPACE@57..58 "\n"
-  STRUCT@58..95
-    STRUCT_KW@58..64 "struct"
-    WHITESPACE@64..65 " "
-    NAME@65..66
-      IDENT@65..66 "C"
-    GENERIC_PARAM_LIST@66..94
-      L_ANGLE@66..67 "<"
-      CONST_PARAM@67..93
-        CONST_KW@67..72 "const"
-        WHITESPACE@72..73 " "
-        NAME@73..74
-          IDENT@73..74 "N"
-        COLON@74..75 ":"
-        WHITESPACE@75..76 " "
-        PATH_TYPE@76..79
-          PATH@76..79
-            PATH_SEGMENT@76..79
-              NAME_REF@76..79
-                IDENT@76..79 "i32"
-        WHITESPACE@79..80 " "
-        EQ@80..81 "="
-        WHITESPACE@81..82 " "
-        CONST_ARG@82..93
-          PATH_EXPR@82..93
-            PATH@82..93
-              PATH@82..86
-                PATH_SEGMENT@82..86
-                  NAME_REF@82..86
-                    IDENT@82..86 "some"
-              COLON2@86..88 "::"
-              PATH_SEGMENT@88..93
-                NAME_REF@88..93
-                  IDENT@88..93 "CONST"
-      R_ANGLE@93..94 ">"
-    SEMICOLON@94..95 ";"
-  WHITESPACE@95..96 "\n"

crates/syntax/test_data/parser/inline/ok/0165_const_param_defaults.rs

@@ -1,3 +1 @@
 struct A<const N: i32 = -1>;
-struct B<const N: i32 = {}>;
-struct C<const N: i32 = some::CONST>;

crates/syntax/test_data/parser/inline/ok/0183_const_arg_block.rast

@@ -0,0 +1,31 @@
+SOURCE_FILE@0..22
+  TYPE_ALIAS@0..21
+    TYPE_KW@0..4 "type"
+    WHITESPACE@4..5 " "
+    NAME@5..6
+      IDENT@5..6 "T"
+    WHITESPACE@6..7 " "
+    EQ@7..8 "="
+    WHITESPACE@8..9 " "
+    PATH_TYPE@9..20
+      PATH@9..20
+        PATH_SEGMENT@9..20
+          NAME_REF@9..10
+            IDENT@9..10 "S"
+          GENERIC_ARG_LIST@10..20
+            L_ANGLE@10..11 "<"
+            CONST_ARG@11..19
+              BLOCK_EXPR@11..19
+                L_CURLY@11..12 "{"
+                BIN_EXPR@12..18
+                  LITERAL@12..14
+                    INT_NUMBER@12..14 "90"
+                  WHITESPACE@14..15 " "
+                  PLUS@15..16 "+"
+                  WHITESPACE@16..17 " "
+                  LITERAL@17..18
+                    INT_NUMBER@17..18 "2"
+                R_CURLY@18..19 "}"
+            R_ANGLE@19..20 ">"
+    SEMICOLON@20..21 ";"
+  WHITESPACE@21..22 "\n"

crates/syntax/test_data/parser/inline/ok/0183_const_arg_block.rs

@@ -0,0 +1 @@
+type T = S<{90 + 2}>;

crates/syntax/test_data/parser/inline/ok/0184_const_arg.rast

@@ -0,0 +1,22 @@
+SOURCE_FILE@0..16
+  TYPE_ALIAS@0..15
+    TYPE_KW@0..4 "type"
+    WHITESPACE@4..5 " "
+    NAME@5..6
+      IDENT@5..6 "T"
+    WHITESPACE@6..7 " "
+    EQ@7..8 "="
+    WHITESPACE@8..9 " "
+    PATH_TYPE@9..14
+      PATH@9..14
+        PATH_SEGMENT@9..14
+          NAME_REF@9..10
+            IDENT@9..10 "S"
+          GENERIC_ARG_LIST@10..14
+            L_ANGLE@10..11 "<"
+            CONST_ARG@11..13
+              LITERAL@11..13
+                INT_NUMBER@11..13 "92"
+            R_ANGLE@13..14 ">"
+    SEMICOLON@14..15 ";"
+  WHITESPACE@15..16 "\n"

crates/syntax/test_data/parser/inline/ok/0184_const_arg.rs

@@ -0,0 +1 @@
+type T = S<92>;

crates/syntax/test_data/parser/inline/ok/0185_assoc_type_bound.rast

@@ -0,0 +1,37 @@
+SOURCE_FILE@0..45
+  TYPE_ALIAS@0..44
+    TYPE_KW@0..4 "type"
+    WHITESPACE@4..5 " "
+    NAME@5..6
+      IDENT@5..6 "T"
+    WHITESPACE@6..7 " "
+    EQ@7..8 "="
+    WHITESPACE@8..9 " "
+    PATH_TYPE@9..43
+      PATH@9..43
+        PATH_SEGMENT@9..43
+          NAME_REF@9..26
+            IDENT@9..26 "StreamingIterator"
+          GENERIC_ARG_LIST@26..43
+            L_ANGLE@26..27 "<"
+            ASSOC_TYPE_ARG@27..42
+              NAME_REF@27..31
+                IDENT@27..31 "Item"
+              GENERIC_ARG_LIST@31..35
+                L_ANGLE@31..32 "<"
+                LIFETIME_ARG@32..34
+                  LIFETIME@32..34
+                    LIFETIME_IDENT@32..34 "'a"
+                R_ANGLE@34..35 ">"
+              COLON@35..36 ":"
+              WHITESPACE@36..37 " "
+              TYPE_BOUND_LIST@37..42
+                TYPE_BOUND@37..42
+                  PATH_TYPE@37..42
+                    PATH@37..42
+                      PATH_SEGMENT@37..42
+                        NAME_REF@37..42
+                          IDENT@37..42 "Clone"
+            R_ANGLE@42..43 ">"
+    SEMICOLON@43..44 ";"
+  WHITESPACE@44..45 "\n"

crates/syntax/test_data/parser/inline/ok/0185_assoc_type_bound.rs

@@ -0,0 +1 @@
+type T = StreamingIterator<Item<'a>: Clone>;

crates/syntax/test_data/parser/inline/ok/0186_lifetime_arg.rast

@@ -0,0 +1,22 @@
+SOURCE_FILE@0..21
+  TYPE_ALIAS@0..20
+    TYPE_KW@0..4 "type"
+    WHITESPACE@4..5 " "
+    NAME@5..6
+      IDENT@5..6 "T"
+    WHITESPACE@6..7 " "
+    EQ@7..8 "="
+    WHITESPACE@8..9 " "
+    PATH_TYPE@9..19
+      PATH@9..19
+        PATH_SEGMENT@9..19
+          NAME_REF@9..10
+            IDENT@9..10 "S"
+          GENERIC_ARG_LIST@10..19
+            L_ANGLE@10..11 "<"
+            LIFETIME_ARG@11..18
+              LIFETIME@11..18
+                LIFETIME_IDENT@11..18 "'static"
+            R_ANGLE@18..19 ">"
+    SEMICOLON@19..20 ";"
+  WHITESPACE@20..21 "\n"

crates/syntax/test_data/parser/inline/ok/0186_lifetime_arg.rs

@@ -0,0 +1 @@
+type T = S<'static>;

crates/syntax/test_data/parser/inline/ok/0187_assoc_type_eq.rast

@@ -0,0 +1,41 @@
+SOURCE_FILE@0..46
+  TYPE_ALIAS@0..45
+    TYPE_KW@0..4 "type"
+    WHITESPACE@4..5 " "
+    NAME@5..6
+      IDENT@5..6 "T"
+    WHITESPACE@6..7 " "
+    EQ@7..8 "="
+    WHITESPACE@8..9 " "
+    PATH_TYPE@9..44
+      PATH@9..44
+        PATH_SEGMENT@9..44
+          NAME_REF@9..26
+            IDENT@9..26 "StreamingIterator"
+          GENERIC_ARG_LIST@26..44
+            L_ANGLE@26..27 "<"
+            ASSOC_TYPE_ARG@27..43
+              NAME_REF@27..31
+                IDENT@27..31 "Item"
+              GENERIC_ARG_LIST@31..35
+                L_ANGLE@31..32 "<"
+                LIFETIME_ARG@32..34
+                  LIFETIME@32..34
+                    LIFETIME_IDENT@32..34 "'a"
+                R_ANGLE@34..35 ">"
+              WHITESPACE@35..36 " "
+              EQ@36..37 "="
+              WHITESPACE@37..38 " "
+              REF_TYPE@38..43
+                AMP@38..39 "&"
+                LIFETIME@39..41
+                  LIFETIME_IDENT@39..41 "'a"
+                WHITESPACE@41..42 " "
+                PATH_TYPE@42..43
+                  PATH@42..43
+                    PATH_SEGMENT@42..43
+                      NAME_REF@42..43
+                        IDENT@42..43 "T"
+            R_ANGLE@43..44 ">"
+    SEMICOLON@44..45 ";"
+  WHITESPACE@45..46 "\n"

crates/syntax/test_data/parser/inline/ok/0187_assoc_type_eq.rs

@@ -0,0 +1 @@
+type T = StreamingIterator<Item<'a> = &'a T>;

crates/syntax/test_data/parser/inline/ok/0188_const_arg_path.rast

@@ -0,0 +1,37 @@
+SOURCE_FILE@0..35
+  STRUCT@0..34
+    STRUCT_KW@0..6 "struct"
+    WHITESPACE@6..7 " "
+    NAME@7..8
+      IDENT@7..8 "S"
+    GENERIC_PARAM_LIST@8..33
+      L_ANGLE@8..9 "<"
+      CONST_PARAM@9..32
+        CONST_KW@9..14 "const"
+        WHITESPACE@14..15 " "
+        NAME@15..16
+          IDENT@15..16 "N"
+        COLON@16..17 ":"
+        WHITESPACE@17..18 " "
+        PATH_TYPE@18..21
+          PATH@18..21
+            PATH_SEGMENT@18..21
+              NAME_REF@18..21
+                IDENT@18..21 "u32"
+        WHITESPACE@21..22 " "
+        EQ@22..23 "="
+        WHITESPACE@23..24 " "
+        CONST_ARG@24..32
+          PATH_EXPR@24..32
+            PATH@24..32
+              PATH@24..27
+                PATH_SEGMENT@24..27
+                  NAME_REF@24..27
+                    IDENT@24..27 "u32"
+              COLON2@27..29 "::"
+              PATH_SEGMENT@29..32
+                NAME_REF@29..32
+                  IDENT@29..32 "MAX"
+      R_ANGLE@32..33 ">"
+    SEMICOLON@33..34 ";"
+  WHITESPACE@34..35 "\n"

crates/syntax/test_data/parser/inline/ok/0188_const_arg_path.rs

@@ -0,0 +1 @@
+struct S<const N: u32 = u32::MAX>;

crates/syntax/test_data/parser/inline/ok/0189_const_arg_literal.rast

@@ -0,0 +1,27 @@
+SOURCE_FILE@0..33
+  TYPE_ALIAS@0..32
+    TYPE_KW@0..4 "type"
+    WHITESPACE@4..5 " "
+    NAME@5..6
+      IDENT@5..6 "T"
+    WHITESPACE@6..7 " "
+    EQ@7..8 "="
+    WHITESPACE@8..9 " "
+    PATH_TYPE@9..31
+      PATH@9..31
+        PATH_SEGMENT@9..31
+          NAME_REF@9..10
+            IDENT@9..10 "S"
+          GENERIC_ARG_LIST@10..31
+            L_ANGLE@10..11 "<"
+            CONST_ARG@11..18
+              LITERAL@11..18
+                STRING@11..18 "\"hello\""
+            COMMA@18..19 ","
+            WHITESPACE@19..20 " "
+            CONST_ARG@20..30
+              LITERAL@20..30
+                INT_NUMBER@20..30 "0xdeadbeef"
+            R_ANGLE@30..31 ">"
+    SEMICOLON@31..32 ";"
+  WHITESPACE@32..33 "\n"

crates/syntax/test_data/parser/inline/ok/0189_const_arg_literal.rs

@@ -0,0 +1 @@
+type T = S<"hello", 0xdeadbeef>;

crates/syntax/test_data/parser/inline/ok/0190_generic_arg.rast

@@ -0,0 +1,25 @@
+SOURCE_FILE@0..17
+  TYPE_ALIAS@0..16
+    TYPE_KW@0..4 "type"
+    WHITESPACE@4..5 " "
+    NAME@5..6
+      IDENT@5..6 "T"
+    WHITESPACE@6..7 " "
+    EQ@7..8 "="
+    WHITESPACE@8..9 " "
+    PATH_TYPE@9..15
+      PATH@9..15
+        PATH_SEGMENT@9..15
+          NAME_REF@9..10
+            IDENT@9..10 "S"
+          GENERIC_ARG_LIST@10..15
+            L_ANGLE@10..11 "<"
+            TYPE_ARG@11..14
+              PATH_TYPE@11..14
+                PATH@11..14
+                  PATH_SEGMENT@11..14
+                    NAME_REF@11..14
+                      IDENT@11..14 "i32"
+            R_ANGLE@14..15 ">"
+    SEMICOLON@15..16 ";"
+  WHITESPACE@16..17 "\n"

crates/syntax/test_data/parser/inline/ok/0190_generic_arg.rs

@@ -0,0 +1 @@
+type T = S<i32>;

crates/syntax/test_data/parser/inline/ok/0191_const_arg_negative_number.rast

@@ -0,0 +1,24 @@
+SOURCE_FILE@0..17
+  TYPE_ALIAS@0..16
+    TYPE_KW@0..4 "type"
+    WHITESPACE@4..5 " "
+    NAME@5..6
+      IDENT@5..6 "T"
+    WHITESPACE@6..7 " "
+    EQ@7..8 "="
+    WHITESPACE@8..9 " "
+    PATH_TYPE@9..15
+      PATH@9..15
+        PATH_SEGMENT@9..15
+          NAME_REF@9..10
+            IDENT@9..10 "S"
+          GENERIC_ARG_LIST@10..15
+            L_ANGLE@10..11 "<"
+            CONST_ARG@11..14
+              PREFIX_EXPR@11..14
+                MINUS@11..12 "-"
+                LITERAL@12..14
+                  INT_NUMBER@12..14 "92"
+            R_ANGLE@14..15 ">"
+    SEMICOLON@15..16 ";"
+  WHITESPACE@16..17 "\n"

crates/syntax/test_data/parser/inline/ok/0191_const_arg_negative_number.rs

@@ -0,0 +1 @@
+type T = S<-92>;

crates/syntax/test_data/parser/inline/ok/0192_const_arg_bool_literal.rast

@@ -0,0 +1,22 @@
+SOURCE_FILE@0..18
+  TYPE_ALIAS@0..17
+    TYPE_KW@0..4 "type"
+    WHITESPACE@4..5 " "
+    NAME@5..6
+      IDENT@5..6 "T"
+    WHITESPACE@6..7 " "
+    EQ@7..8 "="
+    WHITESPACE@8..9 " "
+    PATH_TYPE@9..16
+      PATH@9..16
+        PATH_SEGMENT@9..16
+          NAME_REF@9..10
+            IDENT@9..10 "S"
+          GENERIC_ARG_LIST@10..16
+            L_ANGLE@10..11 "<"
+            CONST_ARG@11..15
+              LITERAL@11..15
+                TRUE_KW@11..15 "true"
+            R_ANGLE@15..16 ">"
+    SEMICOLON@16..17 ";"
+  WHITESPACE@17..18 "\n"

crates/syntax/test_data/parser/inline/ok/0192_const_arg_bool_literal.rs

@@ -0,0 +1 @@
+type T = S<true>;