diff options
| -rw-r--r-- | src/csets.rs | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/src/csets.rs b/src/csets.rs index f8f58a9..bc739b2 100644 --- a/src/csets.rs +++ b/src/csets.rs @@ -1,9 +1,12 @@ use std::collections::HashSet; -pub trait CharacterSet: Sized { +pub trait CharacterSet { fn contains(&self, ch: char) -> bool; - fn union<Other: CharacterSet>(self, other: Other) -> CharacterSetUnion<Self, Other> { + fn union<Other: CharacterSet>(self, other: Other) -> CharacterSetUnion<Self, Other> + where + Self: Sized, + { CharacterSetUnion { first: self, second: other, @@ -13,21 +16,30 @@ pub trait CharacterSet: Sized { fn intersection<Other: CharacterSet>( self, other: Other, - ) -> CharacterSetIntersection<Self, Other> { + ) -> CharacterSetIntersection<Self, Other> + where + Self: Sized, + { CharacterSetIntersection { first: self, second: other, } } - fn difference<Other: CharacterSet>(self, other: Other) -> CharacterSetDifference<Self, Other> { + fn difference<Other: CharacterSet>(self, other: Other) -> CharacterSetDifference<Self, Other> + where + Self: Sized, + { CharacterSetDifference { first: self, second: other, } } - fn complement(self) -> CharacterSetComplement<Self> { + fn complement(self) -> CharacterSetComplement<Self> + where + Self: Sized, + { CharacterSetComplement { inner: self } } } |