diff --git a/src/candmap.rs b/src/candmap.rs
index e460f9b..6d3b1e8 100644
--- a/src/candmap.rs
+++ b/src/candmap.rs
@@ -84,19 +84,19 @@ impl<'e, V> CandidateMap<'e, V> {
 	
 	/// See [HashMap::iter](std::collections::HashMap::iter)
 	#[inline]
-	pub fn iter(&self) -> Iter<'_, 'e, V> {
+	pub fn iter<'a>(&'a self) -> impl Iterator<Item=(&'e Candidate, &'a V)> {
 		return Iter { map: &self, index: 0 };
 	}
 	
 	/// See [HashMap::iter_mut](std::collections::HashMap::iter_mut)
 	#[inline]
-	pub fn iter_mut(&mut self) -> IterMut<'_, 'e, V> {
+	pub fn iter_mut<'a>(&'a mut self) -> impl Iterator<Item=(&'e Candidate, &'a mut V)> {
 		return IterMut { map: self, index: 0 };
 	}
 	
 	/// See [HashMap::values](std::collections::HashMap::values)
 	#[inline]
-	pub fn values(&self) -> Values<'_, 'e, V> {
+	pub fn values<'a>(&'a self) -> impl Iterator<Item=&'a V> {
 		return Values { map: &self, index: 0 };
 	}
 }
@@ -110,7 +110,7 @@ impl<'e, V> Index<&Candidate> for CandidateMap<'e, V> {
 }
 
 /// See [CandidateMap::iter]
-pub struct Iter<'m, 'e, V> {
+struct Iter<'m, 'e, V> {
 	map: &'m CandidateMap<'e, V>,
 	index: usize
 }
@@ -146,7 +146,7 @@ impl<'m, 'e, V> Iterator for Iter<'m, 'e, V> {
 }
 
 /// See [CandidateMap::iter_mut]
-pub struct IterMut<'m, 'e, V> {
+struct IterMut<'m, 'e, V> {
 	map: &'m mut CandidateMap<'e, V>,
 	index: usize
 }
@@ -187,7 +187,7 @@ impl<'m, 'e, V> Iterator for IterMut<'m, 'e, V> {
 }
 
 /// See [CandidateMap::values]
-pub struct Values<'m, 'e, V> {
+struct Values<'m, 'e, V> {
 	map: &'m CandidateMap<'e, V>,
 	index: usize
 }