Refactor response_classes and fix clippy issues

src/parameter.rs

@@ -18,7 +18,7 @@ pub fn parameter_find(params: &Vec<Parameter>, name: &str) -> Option<Parameter>
 }
 pub fn parameter_list_find(param_lists: &Vec<ParameterList>, name: &str, value: &str, strict: bool) -> Option<ParameterList> {
     for params in param_lists {
-        if params.iter().position(|param| param.is(name, value, strict)).is_some() {
+        if params.iter().any(|param| param.is(name, value, strict)) {
             return Some(params.clone());
         }
     }
@@ -27,7 +27,7 @@ pub fn parameter_list_find(param_lists: &Vec<ParameterList>, name: &str, value:
 pub fn parameter_list_find_all(param_lists: &Vec<ParameterList>, name: &str, value: &str, strict: bool) -> Vec<ParameterList> {
     let mut found = Vec::new();
     for params in param_lists {
-        if params.iter().position(|param| param.is(name, value, strict)).is_some() {
+        if params.iter().any(|param| param.is(name, value, strict)) {
             found.push(params.clone())
         }
     }
@@ -65,17 +65,15 @@ impl Parameter {
 
     pub fn is(&self, name: &str, value: &str, strict: bool) -> bool {
         if self.name != name {
-           false
+            return false;
         }
-        else if self.value != value && strict {
-            false
+        if self.value != value && strict {
+            return false;
         }
-        else if !self.value.contains(value) && !strict {
-            false
-        }
-        else {
-            true
+        if !self.value.contains(value) && !strict {
+            return false;
         }
+        true
     }
 
     pub fn to_i32(&self, default: i32) -> i32 {