diff --git a/test-support/cairo-snippets.gen.ts b/test-support/cairo-snippets.gen.ts
index f95bc3e..b1cbd27 100644
--- a/test-support/cairo-snippets.gen.ts
+++ b/test-support/cairo-snippets.gen.ts
@@ -71,6 +71,7 @@ export default [
   "fn f(ref _: felt252) {}",
   "fn f(ref mod: felt252) {}",
   "fn f(x: felt252) {\n    let x = 5;\n    match x {\n        0 | 1 => 1,\n        _ => 2,\n    };\n}",
+  "fn f<+I[a : b], impl C: G<A, B>[c],T[a:b]>() {}",
   "fn foo (x:T) -> S\n{\n    let x = -5 + 3;\n    let y : T = x*2 + 3*5; // Comment.\n    let z = ;\n    let v = bool::True == false;\n    5 + Struct{a: 5, b: Struct2{_gg: ()}};\n    return df == 6;\n    x + y\n}\n\npub impl A of B {\n    fn foo() {\n        if bla.\n        // The module below should parse correctly, not inside this impl.\n    }\n}\n\npub mod my_mod{\n    fn bar (x:T0, s: S) -> X {\n        x.a *+-. s.s * foo(1,3)\n    }\n    struct A{\n        x: a, // Comment.\n        y: int\n    }\n\n}\n\nskipped tokens\n",
   "fn foo() -> Aaaaa  Bbb + Cc  {\n}",
   "fn foo() -> Aaaaa  Bbb + Cc; let x = 0; }",
diff --git a/test/snapshots/809284969b.txt b/test/snapshots/809284969b.txt
new file mode 100644
index 0000000..20355e0
--- /dev/null
+++ b/test/snapshots/809284969b.txt
@@ -0,0 +1,47 @@
+//! > cairo_code
+fn f<+I[a : b], impl C: G<A, B>[c],T[a:b]>() {}
+
+//! > syntax
+fn                   source.cairo meta.function.definition.cairo keyword.other.fn.cairo
+␣                    source.cairo meta.function.definition.cairo
+f                    source.cairo meta.function.definition.cairo entity.name.function.cairo
+<                    source.cairo meta.function.definition.cairo punctuation.brackets.angle.cairo
++                    source.cairo meta.function.definition.cairo keyword.operator.math.cairo
+I                    source.cairo meta.function.definition.cairo entity.name.type.cairo
+[                    source.cairo meta.function.definition.cairo punctuation.brackets.square.cairo
+a                    source.cairo meta.function.definition.cairo variable.other.cairo
+␣                    source.cairo meta.function.definition.cairo
+:                    source.cairo meta.function.definition.cairo keyword.operator.key-value.cairo
+␣                    source.cairo meta.function.definition.cairo
+b                    source.cairo meta.function.definition.cairo variable.other.cairo
+]                    source.cairo meta.function.definition.cairo punctuation.brackets.square.cairo
+,                    source.cairo meta.function.definition.cairo punctuation.comma.cairo
+␣                    source.cairo meta.function.definition.cairo
+impl                 source.cairo meta.function.definition.cairo keyword.other.cairo
+␣                    source.cairo meta.function.definition.cairo
+C                    source.cairo meta.function.definition.cairo entity.name.type.cairo
+:                    source.cairo meta.function.definition.cairo keyword.operator.key-value.cairo
+␣                    source.cairo meta.function.definition.cairo
+G                    source.cairo meta.function.definition.cairo entity.name.type.cairo
+<                    source.cairo meta.function.definition.cairo punctuation.brackets.angle.cairo
+A                    source.cairo meta.function.definition.cairo entity.name.type.cairo
+,                    source.cairo meta.function.definition.cairo punctuation.comma.cairo
+␣                    source.cairo meta.function.definition.cairo
+B                    source.cairo meta.function.definition.cairo entity.name.type.cairo
+>                    source.cairo meta.function.definition.cairo punctuation.brackets.angle.cairo
+[                    source.cairo meta.function.definition.cairo punctuation.brackets.square.cairo
+c                    source.cairo meta.function.definition.cairo variable.other.cairo
+]                    source.cairo meta.function.definition.cairo punctuation.brackets.square.cairo
+,                    source.cairo meta.function.definition.cairo punctuation.comma.cairo
+T                    source.cairo meta.function.definition.cairo entity.name.type.cairo
+[                    source.cairo meta.function.definition.cairo punctuation.brackets.square.cairo
+a                    source.cairo meta.function.definition.cairo variable.other.cairo
+:                    source.cairo meta.function.definition.cairo keyword.operator.key-value.cairo
+b                    source.cairo meta.function.definition.cairo variable.other.cairo
+]                    source.cairo meta.function.definition.cairo punctuation.brackets.square.cairo
+>                    source.cairo meta.function.definition.cairo punctuation.brackets.angle.cairo
+(                    source.cairo meta.function.definition.cairo punctuation.brackets.round.cairo
+)                    source.cairo meta.function.definition.cairo punctuation.brackets.round.cairo
+␣                    source.cairo meta.function.definition.cairo
+{                    source.cairo meta.function.definition.cairo punctuation.brackets.curly.cairo
+}                    source.cairo punctuation.brackets.curly.cairo