From ccd571624e2e380171e4d7d1fc8d27ed72863f22 Mon Sep 17 00:00:00 2001
From: Project Nayuki <me@nayuki.io>
Date: Sun, 26 Aug 2018 02:17:47 +0000
Subject: [PATCH] Tweaked QrCode constructor to dispose of the isFunction array
 in all languages except C, but somewhat differently in each language.

---
 cpp/QrCode.cpp                       | 2 ++
 java/io/nayuki/qrcodegen/QrCode.java | 1 +
 javascript/qrcodegen.js              | 1 +
 python/qrcodegen.py                  | 1 +
 rust/src/lib.rs                      | 2 ++
 typescript/qrcodegen.ts              | 1 +
 6 files changed, 8 insertions(+)

diff --git a/cpp/QrCode.cpp b/cpp/QrCode.cpp
index 99bdd11..3c6046a 100644
--- a/cpp/QrCode.cpp
+++ b/cpp/QrCode.cpp
@@ -129,6 +129,8 @@ QrCode::QrCode(int ver, Ecc ecl, const vector<uint8_t> &dataCodewords, int mask)
 	const vector<uint8_t> allCodewords = addEccAndInterleave(dataCodewords);
 	drawCodewords(allCodewords);
 	this->mask = handleConstructorMasking(mask);
+	isFunction.clear();
+	isFunction.shrink_to_fit();
 }
 
 
diff --git a/java/io/nayuki/qrcodegen/QrCode.java b/java/io/nayuki/qrcodegen/QrCode.java
index 225f2e7..7cf0900 100644
--- a/java/io/nayuki/qrcodegen/QrCode.java
+++ b/java/io/nayuki/qrcodegen/QrCode.java
@@ -230,6 +230,7 @@ public final class QrCode {
 		byte[] allCodewords = addEccAndInterleave(dataCodewords);
 		drawCodewords(allCodewords);
 		this.mask = handleConstructorMasking(mask);
+		isFunction = null;
 	}
 	
 	
diff --git a/javascript/qrcodegen.js b/javascript/qrcodegen.js
index 2f9579f..dfb768a 100644
--- a/javascript/qrcodegen.js
+++ b/javascript/qrcodegen.js
@@ -113,6 +113,7 @@ var qrcodegen = new function() {
 			throw "Assertion error";
 		drawFormatBits(mask);  // Overwrite old format bits
 		applyMask(mask);  // Apply the final choice of mask
+		isFunction = null;
 		
 		
 		/*---- Read-only instance properties ----*/
diff --git a/python/qrcodegen.py b/python/qrcodegen.py
index 8e297af..1c0cda5 100644
--- a/python/qrcodegen.py
+++ b/python/qrcodegen.py
@@ -188,6 +188,7 @@ class QrCode(object):
 		self._draw_format_bits(mask)  # Overwrite old format bits
 		self._apply_mask(mask)  # Apply the final choice of mask
 		self._mask = mask
+		del self._isfunction
 	
 	
 	# ---- Accessor methods ----
diff --git a/rust/src/lib.rs b/rust/src/lib.rs
index 82abe1d..5654b0a 100644
--- a/rust/src/lib.rs
+++ b/rust/src/lib.rs
@@ -186,6 +186,8 @@ impl QrCode {
 		let allcodewords: Vec<u8> = result.add_ecc_and_interleave(datacodewords);
 		result.draw_codewords(&allcodewords);
 		result.handle_constructor_masking(mask);
+		result.isfunction.clear();
+		result.isfunction.shrink_to_fit();
 		result
 	}
 	
diff --git a/typescript/qrcodegen.ts b/typescript/qrcodegen.ts
index c1e4862..3ae9bc7 100644
--- a/typescript/qrcodegen.ts
+++ b/typescript/qrcodegen.ts
@@ -194,6 +194,7 @@ namespace qrcodegen {
 			this.mask = mask;
 			this.drawFormatBits(mask);  // Overwrite old format bits
 			this.applyMask(mask);  // Apply the final choice of mask
+			this.isFunction = [];
 		}