Add TryFrom to convert from number to Version

CHANGELOG.md

@@ -2,6 +2,11 @@
 
 ## [Unreleased]
 
+## [0.3.4] - 2024-07-24
+
+- Add `TryFrom` to convert from number to `Version`
+- Add `VersionError` type
+
 ## [0.3.3] - 2024-07-22
 
 - Expose `Header::try_from_str` publicly

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "bbqr"
-version = "0.3.3"
+version = "0.3.4"
 edition = "2021"
 license = "MIT"
 rust-version = "1.68"

src/qr.rs

@@ -3,6 +3,13 @@ use std::cmp::Ordering;
 
 use crate::consts::QR_DATA_CAPACITY;
 
+/// Errors that can occur when creating a `Version`
+#[derive(Debug, thiserror::Error, PartialEq, Eq)]
+pub enum VersionError {
+    #[error("Invalid version number, must be between 1 and 40, got {0}")]
+    InvalidVersionNumber(usize),
+}
+
 /// Enum containing all possible `QRCode` versions, taken from fast_qr crate
 /// The version of the QR code, from V01 to V40
 #[derive(Clone, Copy, Debug, PartialEq, Eq, PartialOrd, Ord)]
@@ -199,6 +206,94 @@ impl Version {
     }
 }
 
+impl TryFrom<usize> for Version {
+    type Error = VersionError;
+
+    fn try_from(version_number: usize) -> Result<Self, Self::Error> {
+        try_from_number(version_number)
+    }
+}
+
+impl TryFrom<u8> for Version {
+    type Error = VersionError;
+
+    fn try_from(version_number: u8) -> Result<Self, Self::Error> {
+        try_from_number(version_number as usize)
+    }
+}
+
+impl TryFrom<u16> for Version {
+    type Error = VersionError;
+
+    fn try_from(version_number: u16) -> Result<Self, Self::Error> {
+        try_from_number(version_number as usize)
+    }
+}
+
+impl TryFrom<u32> for Version {
+    type Error = VersionError;
+
+    fn try_from(version_number: u32) -> Result<Self, Self::Error> {
+        try_from_number(version_number as usize)
+    }
+}
+
+impl TryFrom<u64> for Version {
+    type Error = VersionError;
+
+    fn try_from(version_number: u64) -> Result<Self, Self::Error> {
+        try_from_number(version_number as usize)
+    }
+}
+
+impl TryFrom<i8> for Version {
+    type Error = VersionError;
+
+    fn try_from(version_number: i8) -> Result<Self, Self::Error> {
+        try_from_number(version_number as usize)
+    }
+}
+
+impl TryFrom<i16> for Version {
+    type Error = VersionError;
+
+    fn try_from(version_number: i16) -> Result<Self, Self::Error> {
+        try_from_number(version_number as usize)
+    }
+}
+
+impl TryFrom<i32> for Version {
+    type Error = VersionError;
+
+    fn try_from(version_number: i32) -> Result<Self, Self::Error> {
+        try_from_number(version_number as usize)
+    }
+}
+
+impl TryFrom<i64> for Version {
+    type Error = VersionError;
+
+    fn try_from(version_number: i64) -> Result<Self, Self::Error> {
+        try_from_number(version_number as usize)
+    }
+}
+
+impl TryFrom<isize> for Version {
+    type Error = VersionError;
+
+    fn try_from(version_number: isize) -> Result<Self, Self::Error> {
+        try_from_number(version_number as usize)
+    }
+}
+
+fn try_from_number(version_number: usize) -> Result<Version, VersionError> {
+    if (1..=40).contains(&version_number) {
+        return Ok(Version::from_number(version_number));
+    }
+
+    Err(VersionError::InvalidVersionNumber(version_number))
+}
+
 /// Convert between our type and fast-qr version type
 #[cfg(feature = "qr-codes")]
 impl From<Version> for fast_qr::Version {