improve code and fmt

.github/workflows/docs.yml

@@ -23,7 +23,7 @@ jobs:
         uses: actions-rs/toolchain@v1
         with:
           profile: minimal
-          toolchain: stable
+          toolchain: nightly
           override: true
           default: true
 

Cargo.toml

@@ -2,7 +2,7 @@
 name = "qrcode-rs"
 description = "QR code encoder in Rust，Generate QR Code matrices and images in RAW, PNG and SVG formats."
 license = "MIT OR Apache-2.0"
-version = "0.1.4"
+version = "0.1.5"
 edition = "2021"
 authors = ["houseme <[email protected]>"]
 repository = "https://github.com/houseme/qrcode-rs"

src/canvas.rs

@@ -1337,8 +1337,8 @@ mod data_iter_tests {
 
 impl Canvas {
     fn draw_codewords<I>(&mut self, codewords: &[u8], is_half_codeword_at_end: bool, coords: &mut I)
-        where
-            I: Iterator<Item=(i16, i16)>,
+    where
+        I: Iterator<Item = (i16, i16)>,
     {
         let length = codewords.len();
         let last_word = if is_half_codeword_at_end { length - 1 } else { length };
@@ -1965,13 +1965,13 @@ impl Canvas {
             Version::Normal(_) => ALL_PATTERNS_QR.iter(),
             Version::Micro(_) => ALL_PATTERNS_MICRO_QR.iter(),
         }
-            .map(|ptn| {
-                let mut c = self.clone();
-                c.apply_mask(*ptn);
-                c
-            })
-            .min_by_key(Self::compute_total_penalty_scores)
-            .expect("at least one pattern")
+        .map(|ptn| {
+            let mut c = self.clone();
+            c.apply_mask(*ptn);
+            c
+        })
+        .min_by_key(Self::compute_total_penalty_scores)
+        .expect("at least one pattern")
     }
 
     /// Convert the modules into a vector of booleans.

src/cast.rs

@@ -1,5 +1,3 @@
-use std::fmt::Display;
-
 pub trait Truncate {
     fn truncate_as_u8(self) -> u8;
 }

src/types.rs

@@ -150,8 +150,8 @@ impl Version {
     /// If the entry compares equal to the default value of `T`, this method
     /// returns `Err(QrError::InvalidVersion)`.
     pub fn fetch<T>(self, ec_level: EcLevel, table: &[[T; 4]]) -> QrResult<T>
-        where
-            T: PartialEq + Default + Copy,
+    where
+        T: PartialEq + Default + Copy,
     {
         match self {
             Version::Normal(v @ 1..=40) => {