rls-span: Delegate remaining steps_between implementations

Xanewok · Xanewok · commit 163e397537aa · 2019-08-01T15:18:17.000+02:00
diff --git a/rls-span/src/lib.rs b/rls-span/src/lib.rs
@@ -112,7 +112,7 @@ impl Step for Column<ZeroIndexed> {
 
 impl Step for Column<OneIndexed> {
     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
-        Some((end.0 - start.0) as usize)
+        <u32 as Step>::steps_between(&start.0, &end.0)
     }
 
     fn replace_one(&mut self) -> Self {
@@ -203,7 +203,7 @@ impl Row<ZeroIndexed> {
 
 impl Step for Row<ZeroIndexed> {
     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
-        Some((end.0 - start.0) as usize)
+        <u32 as Step>::steps_between(&start.0, &end.0)
     }
 
     fn replace_one(&mut self) -> Self {
@@ -231,7 +231,7 @@ impl Step for Row<ZeroIndexed> {
 
 impl Step for Row<OneIndexed> {
     fn steps_between(start: &Self, end: &Self) -> Option<usize> {
-        Some((end.0 - start.0) as usize)
+        <u32 as Step>::steps_between(&start.0, &end.0)
     }
 
     fn replace_one(&mut self) -> Self {

Original file line number	Diff line number	Diff line change
`@@ -112,7 +112,7 @@ impl Step for Column<ZeroIndexed> {`
`112`	`112`
`113`	`113`	`impl Step for Column<OneIndexed> {`
`114`	`114`	`fn steps_between(start: &Self, end: &Self) -> Option<usize> {`
`115`		`- Some((end.0 - start.0) as usize)`
	`115`	`+ <u32 as Step>::steps_between(&start.0, &end.0)`
`116`	`116`	`}`
`117`	`117`
`118`	`118`	`fn replace_one(&mut self) -> Self {`
`@@ -203,7 +203,7 @@ impl Row<ZeroIndexed> {`
`203`	`203`
`204`	`204`	`impl Step for Row<ZeroIndexed> {`
`205`	`205`	`fn steps_between(start: &Self, end: &Self) -> Option<usize> {`
`206`		`- Some((end.0 - start.0) as usize)`
	`206`	`+ <u32 as Step>::steps_between(&start.0, &end.0)`
`207`	`207`	`}`
`208`	`208`
`209`	`209`	`fn replace_one(&mut self) -> Self {`
`@@ -231,7 +231,7 @@ impl Step for Row<ZeroIndexed> {`
`231`	`231`
`232`	`232`	`impl Step for Row<OneIndexed> {`
`233`	`233`	`fn steps_between(start: &Self, end: &Self) -> Option<usize> {`
`234`		`- Some((end.0 - start.0) as usize)`
	`234`	`+ <u32 as Step>::steps_between(&start.0, &end.0)`
`235`	`235`	`}`
`236`	`236`
`237`	`237`	`fn replace_one(&mut self) -> Self {`