Tweaked QrCode constructor to dispose of the isFunction array in all languages except C, but somewhat differently in each language.

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();
 }
 
 

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;
 	}
 	
 	

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 ----*/

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 ----

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
 	}
 	

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 = [];
 		}