From 7f1df9d0b31413e59846cc955d2a955d3f361e2a Mon Sep 17 00:00:00 2001
From: Yong He <yonghe@outlook.com>
Date: Wed, 30 Apr 2025 14:17:45 -0700
Subject: Initial support for immutable lambda expressions. (#6914)

* Initial support for immutable lambda expressions.

* More diagnostics, and langauge server fix.

* Language server fix.

* Fix bug identified in review.

* Add expected result.

* Update expected result.
---
 tests/language-feature/lambda/lambda-0.slang | 30 ++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 tests/language-feature/lambda/lambda-0.slang

(limited to 'tests/language-feature/lambda/lambda-0.slang')

diff --git a/tests/language-feature/lambda/lambda-0.slang b/tests/language-feature/lambda/lambda-0.slang
new file mode 100644
index 000000000..2a660a114
--- /dev/null
+++ b/tests/language-feature/lambda/lambda-0.slang
@@ -0,0 +1,30 @@
+
+//TEST:COMPARE_COMPUTE(filecheck-buffer=CHECK):-vk -output-using-type
+//TEST:COMPARE_COMPUTE(filecheck-buffer=CHECK):-cpu -output-using-type
+
+//TEST_INPUT: set outputBuffer = out ubuffer(data=[0 0 0 0], stride=4)
+RWStructuredBuffer<float> outputBuffer;
+
+struct Matrix
+{
+    float data[16];
+
+    [mutating]
+    void map(IFunc<float, float> f)
+    {
+        for (int i = 0; i < 16; ++i)
+        {
+            data[i] = f(data[i]);
+        }
+    }
+}
+
+[numthreads(1,1,1)]
+void computeMain()
+{
+    Matrix m = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 };
+    int c = 2;
+    m.map((float x) => (float)(x * c));
+    outputBuffer[0] = m.data[3];
+    // CHECK: 8.0
+}
\ No newline at end of file
-- 
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