fmt: remove cargo warnings

Author: LastLeaf

glass-easel-template-compiler/src/parse/expr.rs

@@ -1190,14 +1190,14 @@ fn is_ident_start_char(ch: char) -> bool {
 }
 
 impl Expression {
-    pub fn sub_expressions(&self) -> SubExpression {
+    pub fn sub_expressions<'a>(&'a self) -> SubExpression<'a> {
         SubExpression {
             inner: self,
             index: 0,
         }
     }
 
-    pub fn sub_expressions_mut(&mut self) -> SubExpressionMut {
+    pub fn sub_expressions_mut<'a>(&'a mut self) -> SubExpressionMut<'a> {
         SubExpressionMut {
             inner: self,
             index: 0,

glass-easel-template-compiler/src/parse/tag.rs

@@ -503,11 +503,11 @@ impl Element {
         }
     }
 
-    pub fn iter_children(&self) -> super::iter::ChildrenIter {
+    pub fn iter_children<'a>(&'a self) -> super::iter::ChildrenIter<'a> {
         super::iter::ChildrenIter::new(self)
     }
 
-    pub fn iter_children_mut(&mut self) -> super::iter::ChildrenIterMut {
+    pub fn iter_children_mut<'a>(&'a mut self) -> super::iter::ChildrenIterMut<'a> {
         super::iter::ChildrenIterMut::new(self)
     }