fix: make cargo check happy

iam/src/policy/effect.rs

@@ -1,5 +1,3 @@
-use std::default;
-
 use serde::{Deserialize, Serialize};
 use strum::{EnumString, IntoStaticStr};
 

iam/src/policy/function.rs

@@ -1,7 +1,6 @@
 use std::{collections::HashMap, ops::Deref};
 
 use func::Func;
-use key::Key;
 use serde::{de, Deserialize, Serialize};
 
 pub mod addr;
@@ -56,7 +55,7 @@ impl<'de> Deserialize<'de> for Functions {
                         return Err(A::Error::custom("invalid codition"));
                     }
 
-                    let Some(name) = name else { return Err(A::Error::custom("invalid codition")) };
+                    let Some(_name) = name else { return Err(A::Error::custom("invalid codition")) };
 
                     let f = match qualifier {
                         Some("ForAnyValues") => Func::ForAnyValues,

iam/src/policy/statement.rs

@@ -1,5 +1,3 @@
-use std::borrow::Cow;
-
 use serde::{Deserialize, Serialize};
 
 use super::{action::Action, ActionSet, Args, Effect, Error, Functions, ResourceSet, Validator, ID};

iam/src/policy/utils/path.rs

@@ -1,5 +1,3 @@
-use std::{fmt::Write, usize};
-
 struct LazyBuf<'a> {
     s: &'a str,
     buf: Option<Vec<u8>>,