resistor-color: Use color in unimplemented! message

petertseng · petertseng · commit fdf088208cb7 · 2023-02-07T08:03:29.000Z
ResistorColor implements Debug and has to since it's used in an
`assert_eq`, so we are adding no additional restrictions and improving
clarity by incorporating it into the unimplemented! message.
diff --git a/exercises/concept/resistor-color/src/lib.rs b/exercises/concept/resistor-color/src/lib.rs
@@ -12,8 +12,8 @@ pub enum ResistorColor {
     Yellow,
 }
 
-pub fn color_to_value(_color: ResistorColor) -> u32 {
-    unimplemented!("convert a color into a numerical representation")
+pub fn color_to_value(color: ResistorColor) -> u32 {
+    unimplemented!("convert color {color:?} into a numerical representation")
 }
 
 pub fn value_to_color_string(value: u32) -> String {

Original file line number	Diff line number	Diff line change
`@@ -12,8 +12,8 @@ pub enum ResistorColor {`
`12`	`12`	`Yellow,`
`13`	`13`	`}`
`14`	`14`
`15`		`-pub fn color_to_value(_color: ResistorColor) -> u32 {`
`16`		`- unimplemented!("convert a color into a numerical representation")`
	`15`	`+pub fn color_to_value(color: ResistorColor) -> u32 {`
	`16`	`+ unimplemented!("convert color {color:?} into a numerical representation")`
`17`	`17`	`}`
`18`	`18`
`19`	`19`	`pub fn value_to_color_string(value: u32) -> String {`