Updated class QrCode's field comments, in most languages.

cpp/QrCode.hpp

@@ -92,7 +92,7 @@ class QrCode final {
 	
 	/*---- Instance fields ----*/
 	
-	// Immutable scalar parameters
+	// Immutable scalar parameters:
 	
 	/* This QR Code symbol's version number, which is always between 1 and 40 (inclusive). */
 	private: int version;
@@ -109,9 +109,13 @@ class QrCode final {
 	 * (mask = -1), the resulting object will still have a mask value between 0 and 7. */
 	private: int mask;
 	
-	// Private grids of modules/pixels (conceptually immutable)
-	private: std::vector<std::vector<bool> > modules;     // The modules of this QR Code symbol (false = white, true = black)
-	private: std::vector<std::vector<bool> > isFunction;  // Indicates function modules that are not subjected to masking
+	// Private grids of modules/pixels, with dimensions of size*size:
+	
+	// The modules of this QR Code symbol (false = white, true = black). Immutable after constructor finishes.
+	private: std::vector<std::vector<bool> > modules;
+	
+	// Indicates function modules that are not subjected to masking. Discarded when constructor finishes.
+	private: std::vector<std::vector<bool> > isFunction;
 	
 	
 	

java/io/nayuki/qrcodegen/QrCode.java

@@ -171,7 +171,7 @@ public final class QrCode {
 	
 	/*---- Instance fields ----*/
 	
-	// Public immutable scalar parameters
+	// Public immutable scalar parameters:
 	
 	/** This QR Code symbol's version number, which is always between 1 and 40 (inclusive). */
 	public final int version;
@@ -188,9 +188,13 @@ public final class QrCode {
 	 * (mask = -1), the resulting object will still have a mask value between 0 and 7. */
 	public final int mask;
 	
-	// Private grids of modules/pixels (conceptually immutable)
-	private boolean[][] modules;     // The modules of this QR Code symbol (false = white, true = black)
-	private boolean[][] isFunction;  // Indicates function modules that are not subjected to masking
+	// Private grids of modules/pixels, with dimensions of size*size:
+	
+	// The modules of this QR Code symbol (false = white, true = black). Immutable after constructor finishes.
+	private boolean[][] modules;
+	
+	// Indicates function modules that are not subjected to masking. Discarded when constructor finishes.
+	private boolean[][] isFunction;
 	
 	
 	

python/qrcodegen.py

@@ -164,9 +164,13 @@ class QrCode(object):
 		
 		if len(datacodewords) != QrCode._get_num_data_codewords(version, errcorlvl):
 			raise ValueError("Invalid array length")
+		
 		# Initialize grids of modules
-		self._modules    = [[False] * self._size for _ in range(self._size)]  # The modules of the QR symbol; start with entirely white grid
-		self._isfunction = [[False] * self._size for _ in range(self._size)]  # Indicates function modules that are not subjected to masking
+		# The modules of this QR Code symbol (False = white, True = black). Immutable after constructor finishes
+		self._modules    = [[False] * self._size for _ in range(self._size)]
+		# Indicates function modules that are not subjected to masking. Discarded when constructor finishes
+		self._isfunction = [[False] * self._size for _ in range(self._size)]
+		
 		# Draw function patterns, draw all codewords
 		self._draw_function_patterns()
 		allcodewords = self._add_ecc_and_interleave(datacodewords)

rust/src/lib.rs

@@ -31,6 +31,8 @@
 #[derive(Clone)]
 pub struct QrCode {
 	
+	// Scalar parameters:
+	
 	// This QR Code symbol's version number, which is always between 1 and 40 (inclusive).
 	version: Version,
 	
@@ -46,10 +48,12 @@ pub struct QrCode {
 	// (mask = -1), the resulting object will still have a mask value between 0 and 7.
 	mask: Mask,
 	
-	// The modules of this QR Code symbol (false = white, true = black)
+	// Grids of modules/pixels, with dimensions of size*size:
+	
+	// The modules of this QR Code symbol (false = white, true = black). Immutable after constructor finishes.
 	modules: Vec<bool>,
 	
-	// Indicates function modules that are not subjected to masking
+	// Indicates function modules that are not subjected to masking. Discarded when constructor finishes.
 	isfunction: Vec<bool>,
 	
 }

typescript/qrcodegen.ts

@@ -137,10 +137,10 @@ namespace qrcodegen {
 		// Always equal to version * 4 + 17, in the range 21 to 177.
 		public readonly size: int;
 		
-		// The modules of this QR Code symbol (false = white, true = black).
+		// The modules of this QR Code symbol (false = white, true = black). Immutable after constructor finishes.
 		private readonly modules: Array<Array<boolean>> = [];
 		
-		// Indicates function modules that are not subjected to masking.
+		// Indicates function modules that are not subjected to masking. Discarded when constructor finishes.
 		private readonly isFunction: Array<Array<boolean>> = [];