Obey clippy lints

Closes #14

5 files changed, 10 insertions, 6 deletions

diff --git a/dhall/src/imports.rs b/dhall/src/imports.rs
index 007ed47..22f7863 100644
--- a/dhall/src/imports.rs
+++ b/dhall/src/imports.rs
@@ -78,8 +78,7 @@ pub fn load_dhall_file(
         let resolve = |import: &Import| -> Expr<X, X> {
             resolve_import(import, &root).unwrap()
         };
-        let expr = expr.map_embed(&resolve).squash_embed();
-        expr
+        expr.map_embed(&resolve).squash_embed()
     } else {
         panic_imports(&expr)
     };
diff --git a/dhall/src/lib.rs b/dhall/src/lib.rs
index 8add5b6..a8643bb 100644
--- a/dhall/src/lib.rs
+++ b/dhall/src/lib.rs
@@ -1,6 +1,11 @@
 #![feature(box_patterns)]
 #![feature(trace_macros)]
 #![feature(proc_macro_hygiene)]
+#![allow(
+    clippy::type_complexity,
+    clippy::infallible_destructuring_match,
+    clippy::many_single_char_names
+)]
 
 mod normalize;
 pub use crate::normalize::*;
diff --git a/dhall/src/main.rs b/dhall/src/main.rs
index edc6baf..3328d99 100644
--- a/dhall/src/main.rs
+++ b/dhall/src/main.rs
@@ -28,7 +28,7 @@ fn print_error(message: &str, source: &str, start: usize, end: usize) {
     BOLD.with(|| {
         print!("  -->");
     });
-    println!(" {}:{}:0", "(stdin)", line_number);
+    println!(" (stdin):{}:0", line_number);
     BOLD.with(|| {
         println!("{:w$} |", "", w = line_number_width);
         print!("{} |", line_number_str);
@@ -88,6 +88,6 @@ fn main() {
     };
 
     println!("{}", type_expr);
-    println!("");
+    println!();
     println!("{}", normalize::<_, X, _>(&expr));
 }
diff --git a/dhall/src/normalize.rs b/dhall/src/normalize.rs
index b2ee0f6..c23f887 100644
--- a/dhall/src/normalize.rs
+++ b/dhall/src/normalize.rs
@@ -175,7 +175,7 @@ where
                 }
                 BinOp(ListAppend, box ListLit(t1, xs), box ListLit(t2, ys)) => {
                     // Drop type annotation if the result is nonempty
-                    let t = if xs.len() == 0 && ys.len() == 0 {
+                    let t = if xs.is_empty() && ys.is_empty() {
                         t1.or(t2)
                     } else {
                         None
diff --git a/dhall/src/typecheck.rs b/dhall/src/typecheck.rs
index 28982fc..2916526 100644
--- a/dhall/src/typecheck.rs
+++ b/dhall/src/typecheck.rs
@@ -775,7 +775,7 @@ impl<S: Clone> TypeError<S> {
         TypeError {
             context: context.clone(),
             current: current.clone(),
-            type_message: type_message,
+            type_message,
         }
     }
 }