From 59957746e91c1322a8ca6d228bcaa0f31941ee1b Mon Sep 17 00:00:00 2001
From: Marmare314 <49279081+Marmare314@users.noreply.github.com>
Date: Wed, 26 Apr 2023 11:32:11 +0200
Subject: Pattern as parameter (#854)

---
 tests/typ/compiler/closure.typ | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

(limited to 'tests')

diff --git a/tests/typ/compiler/closure.typ b/tests/typ/compiler/closure.typ
index 2d12a2bc..0f6809b5 100644
--- a/tests/typ/compiler/closure.typ
+++ b/tests/typ/compiler/closure.typ
@@ -145,6 +145,29 @@
   test(greet("Typst", whatever: 10))
 }
 
+---
+// Parameter unpacking.
+#let f((a, b), ..c) = (a, b, c)
+#test(f((1, 2), 3, 4), (1, 2, (3, 4)))
+
+#let f((k: a, b), c: 3, (d,)) = (a, b, c, d)
+#test(f((k: 1, b: 2), (4,)), (1, 2, 3, 4))
+
+// Error: 22-23 duplicate parameter: a
+#let f((a: b), (c,), a) = none
+
+// Error: 8-14 expected identifier, found array
+#let f((a, b): 0) = none
+
+// Error: 10-19 expected identifier, found destructuring pattern
+#let f(..(a, b: c)) = none
+
+// Error: 10-16 expected identifier, found array
+#let f(..(a, b)) = none
+
+// Error: 10-19 expected identifier, found destructuring pattern
+#let f(..(a, b: c)) = none
+
 ---
 // Error: 11-12 duplicate parameter: x
 #let f(x, x) = none
-- 
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