remove trailing newlines from display

HigherOrderCO · Mar 19, 2024 · 55573d2 · 55573d2
1 parent af02991
commit 55573d2
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Showing 3 changed files with 6 additions and 6 deletions.
diff --git a/src/ast.rs b/src/ast.rs
@@ -458,8 +458,11 @@ impl FromStr for Tree {
 
 impl fmt::Display for Book {
   fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-    for (name, net) in self.iter() {
-      writeln!(f, "@{name} = {net}\n")?;
+    for (i, (name, net)) in self.iter().enumerate() {
+      if i != 0 {
+        f.write_str("\n\n")?;
+      }
+      write!(f, "@{name} = {net}")?;
     }
     Ok(())
   }

diff --git a/src/main.rs b/src/main.rs
@@ -45,7 +45,7 @@ fn main() {
       }
       CliMode::Transform { transform_opts, files } => {
         let book = load_book(&files, &transform_opts);
-        print!("{}", book);
+        println!("{}", book);
       }
     }
   } else {

diff --git a/tests/cli.rs b/tests/cli.rs
@@ -136,7 +136,6 @@ fn test_cli_transform() {
   @mul = (<* a b> (a b))
 
   @sub = (<- a b> (a b))
-
   "###
   );
 
@@ -161,7 +160,6 @@ fn test_cli_transform() {
   @mul = (<* a b> (a b))
 
   @sub = (<- a b> (a b))
-
   "###
   );
 
@@ -176,7 +174,6 @@ fn test_cli_transform() {
     @r###"
   @main = a
     & @HVM.log ~ (#1 (#2 a))
-
   "###
   );
 }