From 02ae53e71ba034268d929bcbaa359200fcb34690 Mon Sep 17 00:00:00 2001
From: Dario Nieuwenhuis <dirbaio@dirbaio.net>
Date: Mon, 29 Mar 2021 21:34:15 +0200
Subject: [PATCH] Fix unused import warnings

---
 embassy-extras/src/ring_buffer.rs | 2 +-
 embassy-macros/src/chip/rp.rs     | 5 ++---
 embassy-macros/src/lib.rs         | 8 ++------
 3 files changed, 5 insertions(+), 10 deletions(-)

diff --git a/embassy-extras/src/ring_buffer.rs b/embassy-extras/src/ring_buffer.rs
index 0ef66f00a..dafdd958a 100644
--- a/embassy-extras/src/ring_buffer.rs
+++ b/embassy-extras/src/ring_buffer.rs
@@ -1,4 +1,4 @@
-use crate::fmt::{assert, *};
+use crate::fmt::assert;
 
 pub struct RingBuffer<'a> {
     buf: &'a mut [u8],
diff --git a/embassy-macros/src/chip/rp.rs b/embassy-macros/src/chip/rp.rs
index 25c6705cd..39a418ff0 100644
--- a/embassy-macros/src/chip/rp.rs
+++ b/embassy-macros/src/chip/rp.rs
@@ -1,12 +1,11 @@
 use darling::FromMeta;
 use proc_macro2::TokenStream;
-use quote::{format_ident, quote};
-use syn::spanned::Spanned;
+use quote::quote;
 
 #[derive(Debug, FromMeta)]
 pub struct Args {}
 
-pub fn generate(args: Args) -> TokenStream {
+pub fn generate(_args: Args) -> TokenStream {
     quote!(
         use embassy_rp::{interrupt, peripherals};
 
diff --git a/embassy-macros/src/lib.rs b/embassy-macros/src/lib.rs
index 72f0b0eca..885eac118 100644
--- a/embassy-macros/src/lib.rs
+++ b/embassy-macros/src/lib.rs
@@ -207,7 +207,7 @@ mod chip;
 #[proc_macro_attribute]
 pub fn main(args: TokenStream, item: TokenStream) -> TokenStream {
     let macro_args = syn::parse_macro_input!(args as syn::AttributeArgs);
-    let mut task_fn = syn::parse_macro_input!(item as syn::ItemFn);
+    let task_fn = syn::parse_macro_input!(item as syn::ItemFn);
 
     let macro_args = match chip::Args::from_list(&macro_args) {
         Ok(v) => v,
@@ -236,9 +236,7 @@ pub fn main(args: TokenStream, item: TokenStream) -> TokenStream {
         fail = true;
     }
 
-    let mut arg_names: syn::punctuated::Punctuated<syn::Ident, syn::Token![,]> =
-        syn::punctuated::Punctuated::new();
-    let mut args = task_fn.sig.inputs.clone();
+    let args = task_fn.sig.inputs.clone();
 
     if args.len() != 1 {
         task_fn
@@ -254,9 +252,7 @@ pub fn main(args: TokenStream, item: TokenStream) -> TokenStream {
         return TokenStream::new();
     }
 
-    let name = task_fn.sig.ident.clone();
     let task_fn_body = task_fn.block.clone();
-
     let chip_setup = chip::generate(macro_args);
 
     let result = quote! {