Merge pull request #79 from twodayslate/issue78

Fix += issue. Closes #78
mkrd · Oct 4, 2023 · b07e961 · b07e961
2 parents f98947c + 6e29b7e
commit b07e961
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diff --git a/Sources/BigNumber/Swift-Big-Number-Core.swift b/Sources/BigNumber/Swift-Big-Number-Core.swift
@@ -824,7 +824,7 @@ public struct BInt:
 	public static func +(lhs:  Int, rhs: BInt) -> BInt { return BInt(lhs) + rhs }
 	public static func +(lhs: BInt, rhs:  Int) -> BInt { return lhs + BInt(rhs) }
 
-	public static func +=(lhs: inout  Int, rhs: BInt) { lhs += (BInt(lhs) + rhs).asInt()! }
+	public static func +=(lhs: inout  Int, rhs: BInt) { lhs = (BInt(lhs) + rhs).asInt()! }
 	public static func +=(lhs: inout BInt, rhs:  Int) { lhs +=  BInt(rhs)                 }
 
 	//

diff --git a/Tests/BigNumberTests/BIntTests.swift b/Tests/BigNumberTests/BIntTests.swift
@@ -178,4 +178,11 @@ class BIntTests: XCTestCase {
         XCTAssertEqual(y, BInt("0xb", radix: 16))
         XCTAssertEqual(y, BInt("0x0b", radix: 16))
     }
+
+    func testIssue78() {
+        var a = 5
+        a += BInt(10)
+        XCTAssertEqual(a, 15)
+    }
+
 }