Fix clippy errors

src/env.rs

@@ -49,6 +49,12 @@ impl Env<'_> {
     }
 }
 
+impl Default for Env<'_> {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl<'env> Env<'env> {
     pub fn new_with_parent(parent: &'env Env<'env>) -> Self {
         Env {

src/pest_parser.rs

@@ -69,7 +69,7 @@ fn handle_rules(mut p: pest::iterators::Pairs<Rule>) -> (Statement, FuncHolder)
                 )
             }
             Rule::if_block => {
-                let mut inner = pair.into_inner().into_iter();
+                let mut inner = pair.into_inner();
                 let mut the_list = vec![];
                 let mut the_else = None;
                 while let Some(expr) = inner.next() {

src/value/custom.rs

@@ -23,10 +23,6 @@ pub trait CustomValue: std::fmt::Debug + BoxClone {
         false
     }
 
-    fn ne(&self, other: &Value) -> bool {
-        !self.eq(other)
-    }
-
     fn partial_cmp(&self, _: &Value) -> Option<std::cmp::Ordering> {
         None
     }
@@ -40,10 +36,6 @@ impl PartialEq<Value> for dyn CustomValue {
     fn eq(&self, other: &Value) -> bool {
         self.eq(other)
     }
-
-    fn ne(&self, other: &Value) -> bool {
-        self.ne(other)
-    }
 }
 
 impl PartialOrd<Value> for dyn CustomValue {