diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e551c0467c..04e8bbe0f8 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -189,7 +189,7 @@ jobs:
           script: |
             if (${{ env.BRANCH_MEASUREMENT }} !== ${{ env.MAIN_MEASUREMENT }}) {
               try {
-                github.rest.issues.createComment({
+                await github.rest.issues.createComment({
                   issue_number: context.issue.number,
                   owner: context.repo.owner,
                   repo: context.repo.repo,
diff --git a/library/src/tests/convert.rs b/library/src/tests/convert.rs
index a194e78f79..c526e9ab96 100644
--- a/library/src/tests/convert.rs
+++ b/library/src/tests/convert.rs
@@ -1,6 +1,6 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT License.
-
+#![allow(clippy::too_many_lines)]
 use super::test_expression;
 use qsc::interpret::Value;
 
@@ -30,6 +30,154 @@ fn check_int_as_bool_array() {
     );
 }
 
+#[test]
+fn check_bigint_as_bool_array() {
+    test_expression(
+        "Microsoft.Quantum.Convert.BigIntAsBoolArray(18446744073709551616L, 128)", // note: 18446744073709551616L == 2^64
+        &Value::Array(
+            vec![
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(true),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+                Value::Bool(false),
+            ]
+            .into(),
+        ),
+    );
+}
+
+#[test]
+fn check_bool_array_as_big_int() {
+    test_expression(
+        "Microsoft.Quantum.Convert.BoolArrayAsBigInt([false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, true, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false, false])",
+        &Value::BigInt(18_446_744_073_709_551_616_u128.into()),
+    );
+}
+
 #[test]
 fn check_result_array_as_int() {
     test_expression(
diff --git a/library/std/convert.qs b/library/std/convert.qs
index 49b7ab90f4..0f75aeb1f6 100644
--- a/library/std/convert.qs
+++ b/library/std/convert.qs
@@ -97,6 +97,32 @@ namespace Microsoft.Quantum.Convert {
         result
     }
 
+    /// # Summary
+    /// Converts an array of Boolean values into a non-negative BigInt, interpreting the
+    /// array as a binary representation in little-endian format.
+    ///
+    /// # Input
+    /// ## boolArray
+    /// An array of Boolean values representing the binary digits of a BigInt.
+    ///
+    /// # Output
+    /// A BigInt represented by `boolArray`.
+    ///
+    /// # Remarks
+    /// The function interprets the array in little-endian format, where the first
+    /// element of the array represents the least significant bit.
+    /// The input `boolArray` should not be empty.
+    function BoolArrayAsBigInt(boolArray : Bool[]) : BigInt {
+        mutable result = 0L;
+        for i in 0..Length(boolArray) - 1 {
+            if boolArray[i] {
+                set result += 1L <<< i;
+            }
+        }
+        
+        result
+    }
+
     /// # Summary
     /// Produces a binary representation of a non-negative BigInt, using the
     /// little-endian representation for the returned array.