Fix display for 0 dimensional arrays

jkosh44 · benesch · commit 00c305670b55 · 2022-10-14T00:24:28.000-04:00
diff --git a/src/array.rs b/src/array.rs
@@ -39,6 +39,10 @@ where
 I: Iterator<Item = &'a T>,
 T: 'a + fmt::Display,
{
+ if dims.len() == 0{
+ return write!(fmt, "{{}}");
+ }
+
 if depth == dims.len(){
 return write!(fmt, "{}", data.next().unwrap());
 }
diff --git a/src/lib.rs b/src/lib.rs
@@ -146,5 +146,8 @@ mod tests{
 a.push(Array::from_vec(vec![4, 5, 6], 3));
 a.wrap(1);
 assert_eq!("[1:1][-2:-1][3:5]={{{1,2,3},{4,5,6}}}", &format!("{}", a));
+
+ let a: Array<String> = Array::from_parts(vec![], vec![]);
+ assert_eq!("{}", &format!("{}", a));
 }
 }

Original file line number	Diff line number	Diff line change
`@@ -39,6 +39,10 @@ where`
`39`	`39`	`I:Iterator<Item = &'aT>,`
`40`	`40`	`T:'a + fmt::Display,`
`41`	`41`	`{`
	`42`	`+if dims.len() == 0{`
	`43`	`+returnwrite!(fmt,"{{}}");`
	`44`	`+}`
	`45`	`+`
`42`	`46`	`if depth == dims.len(){`
`43`	`47`	`returnwrite!(fmt,"{}", data.next().unwrap());`
`44`	`48`	`}`
Original file line number	Diff line number	Diff line change
`@@ -146,5 +146,8 @@ mod tests{`
`146`	`146`	`a.push(Array::from_vec(vec![4,5,6],3));`
`147`	`147`	`a.wrap(1);`
`148`	`148`	`assert_eq!("[1:1][-2:-1][3:5]={{{1,2,3},{4,5,6}}}",&format!("{}", a));`
	`149`	`+`
	`150`	`+let a:Array<String> = Array::from_parts(vec![],vec![]);`
	`151`	`+assert_eq!("{}",&format!("{}", a));`
`149`	`152`	`}`
`150`	`153`	`}`