Clarify purpose of NumCast trait

brendanzab · brendanzab · commit 3ffd735b45c8 · 2013-04-14T01:14:02.000+10:00
diff --git a/src/libcore/num/num.rs b/src/libcore/num/num.rs
@@ -49,7 +49,7 @@ pub enum RoundMode {
 }
 
 /**
- * Cast a number the the enclosing type
+ * Cast from one machine scalar to another
  *
  * # Example
  *
@@ -64,7 +64,7 @@ pub fn cast<T:NumCast,U:NumCast>(n: T) -> U {
 }
 
 /**
- * An interface for generic numeric type casts
+ * An interface for casting between machine scalars
  */
 pub trait NumCast {
     fn from<T:NumCast>(n: T) -> Self;

Original file line number	Diff line number	Diff line change
`@@ -49,7 +49,7 @@ pub enum RoundMode {`
`49`	`49`	`}`
`50`	`50`
`51`	`51`	`/**`
`52`		`- * Cast a number the the enclosing type`
	`52`	`+ * Cast from one machine scalar to another`
`53`	`53`	`*`
`54`	`54`	`* # Example`
`55`	`55`	`*`
`@@ -64,7 +64,7 @@ pub fn cast<T:NumCast,U:NumCast>(n: T) -> U {`
`64`	`64`	`}`
`65`	`65`
`66`	`66`	`/**`
`67`		`- * An interface for generic numeric type casts`
	`67`	`+ * An interface for casting between machine scalars`
`68`	`68`	`*/`
`69`	`69`	`pub trait NumCast {`
`70`	`70`	`fn from<T:NumCast>(n: T) -> Self;`