Changed Rust API to move the version min/max values into associated constants for its type.

rust/examples/qrcodegen-demo.rs

@@ -29,8 +29,7 @@ use qrcodegen::Mask;
 use qrcodegen::QrCode;
 use qrcodegen::QrCodeEcc;
 use qrcodegen::QrSegment;
-use qrcodegen::QrCode_MAX_VERSION;
+use qrcodegen::Version;
-use qrcodegen::QrCode_MIN_VERSION;
 
 
 // The main application program.
@@ -143,20 +142,20 @@ fn do_segment_demo() {
 fn do_mask_demo() {
 	// Project Nayuki URL
 	let segs = QrSegment::make_segments(&to_chars("https://www.nayuki.io/"));
-	let qr = QrCode::encode_segments_advanced(&segs, QrCodeEcc::High, QrCode_MIN_VERSION, QrCode_MAX_VERSION, None, true).unwrap();  // Automatic mask
+	let qr = QrCode::encode_segments_advanced(&segs, QrCodeEcc::High, Version::MIN, Version::MAX, None, true).unwrap();  // Automatic mask
 	print_qr(&qr);
-	let qr = QrCode::encode_segments_advanced(&segs, QrCodeEcc::High, QrCode_MIN_VERSION, QrCode_MAX_VERSION, Some(Mask::new(3)), true).unwrap();  // Force mask 3
+	let qr = QrCode::encode_segments_advanced(&segs, QrCodeEcc::High, Version::MIN, Version::MAX, Some(Mask::new(3)), true).unwrap();  // Force mask 3
 	print_qr(&qr);
 	
 	// Chinese text as UTF-8
 	let segs = QrSegment::make_segments(&to_chars("維基百科（Wikipedia，聆聽i/ˌwɪkᵻˈpiːdi.ə/）是一個自由內容、公開編輯且多語言的網路百科全書協作計畫"));
-	let qr = QrCode::encode_segments_advanced(&segs, QrCodeEcc::Medium, QrCode_MIN_VERSION, QrCode_MAX_VERSION, Some(Mask::new(0)), true).unwrap();  // Force mask 0
+	let qr = QrCode::encode_segments_advanced(&segs, QrCodeEcc::Medium, Version::MIN, Version::MAX, Some(Mask::new(0)), true).unwrap();  // Force mask 0
 	print_qr(&qr);
-	let qr = QrCode::encode_segments_advanced(&segs, QrCodeEcc::Medium, QrCode_MIN_VERSION, QrCode_MAX_VERSION, Some(Mask::new(1)), true).unwrap();  // Force mask 1
+	let qr = QrCode::encode_segments_advanced(&segs, QrCodeEcc::Medium, Version::MIN, Version::MAX, Some(Mask::new(1)), true).unwrap();  // Force mask 1
 	print_qr(&qr);
-	let qr = QrCode::encode_segments_advanced(&segs, QrCodeEcc::Medium, QrCode_MIN_VERSION, QrCode_MAX_VERSION, Some(Mask::new(5)), true).unwrap();  // Force mask 5
+	let qr = QrCode::encode_segments_advanced(&segs, QrCodeEcc::Medium, Version::MIN, Version::MAX, Some(Mask::new(5)), true).unwrap();  // Force mask 5
 	print_qr(&qr);
-	let qr = QrCode::encode_segments_advanced(&segs, QrCodeEcc::Medium, QrCode_MIN_VERSION, QrCode_MAX_VERSION, Some(Mask::new(7)), true).unwrap();  // Force mask 7
+	let qr = QrCode::encode_segments_advanced(&segs, QrCodeEcc::Medium, Version::MIN, Version::MAX, Some(Mask::new(7)), true).unwrap();  // Force mask 7
 	print_qr(&qr);
 }
 

rust/examples/qrcodegen-worker.rs

@@ -59,9 +59,9 @@ fn main() {
 		let mask       = read_int();
 		let boostecl   = read_int();
 		assert!(0 <= errcorlvl && errcorlvl <= 3);
-		assert!(i16::from(qrcodegen::QrCode_MIN_VERSION.value()) <= minversion
+		assert!(i16::from(Version::MIN.value()) <= minversion
 			&& minversion <= maxversion
-			&& maxversion <= i16::from(qrcodegen::QrCode_MAX_VERSION.value()));
+			&& maxversion <= i16::from(Version::MAX.value()));
 		assert!(-1 <= mask && mask <= 7);
 		assert!(boostecl >> 1 == 0);
 		

rust/src/lib.rs

@@ -184,7 +184,7 @@ impl QrCode {
 	/// Returns a wrapped `QrCode` if successful, or `Err` if the
 	/// data is too long to fit in any version at the given ECC level.
 	pub fn encode_segments(segs: &[QrSegment], ecl: QrCodeEcc) -> Result<Self,DataTooLong> {
-		QrCode::encode_segments_advanced(segs, ecl, QrCode_MIN_VERSION, QrCode_MAX_VERSION, None, true)
+		QrCode::encode_segments_advanced(segs, ecl, Version::MIN, Version::MAX, None, true)
 	}
 	
 	
@@ -883,13 +883,6 @@ impl FinderPenalty {
 
 /*---- Constants and tables ----*/
 
-/// The minimum version number supported in the QR Code Model 2 standard.
-pub const QrCode_MIN_VERSION: Version = Version( 1);
-
-/// The maximum version number supported in the QR Code Model 2 standard.
-pub const QrCode_MAX_VERSION: Version = Version(40);
-
-
 // For use in get_penalty_score(), when evaluating which mask is best.
 const PENALTY_N1: i32 =  3;
 const PENALTY_N2: i32 =  3;
@@ -1252,8 +1245,8 @@ impl BitBuffer {
 /// 
 /// - Decrease the error correction level if it was greater than `QrCodeEcc::Low`.
 /// - If the `encode_segments_advanced()` function was called, then increase the maxversion
-///   argument if it was less than `QrCode_MAX_VERSION`. (This advice does not apply to the
+///   argument if it was less than `Version::MAX`. (This advice does not apply to the
-///   other factory functions because they search all versions up to `QrCode_MAX_VERSION`.)
+///   other factory functions because they search all versions up to `Version::MAX`.)
 /// - Split the text data into better or optimal segments in order to reduce the number of bits required.
 /// - Change the text or binary data to be shorter.
 /// - Change the text to fit the character set of a particular segment mode (e.g. alphanumeric).
@@ -1279,11 +1272,17 @@ impl std::fmt::Display for DataTooLong {
 pub struct Version(u8);
 
 impl Version {
+	/// The minimum version number supported in the QR Code Model 2 standard.
+	pub const MIN: Version = Version( 1);
+	
+	/// The maximum version number supported in the QR Code Model 2 standard.
+	pub const MAX: Version = Version(40);
+	
 	/// Creates a version object from the given number.
 	/// 
 	/// Panics if the number is outside the range [1, 40].
 	pub fn new(ver: u8) -> Self {
-		assert!(QrCode_MIN_VERSION.value() <= ver && ver <= QrCode_MAX_VERSION.value(), "Version number out of range");
+		assert!(Version::MIN.value() <= ver && ver <= Version::MAX.value(), "Version number out of range");
 		Self(ver)
 	}