Release v0.3.0

Cargo.toml

@@ -13,7 +13,7 @@ categories.workspace = true
 readme.workspace = true
 
 [workspace.package]
-version = "0.2.1"
+version = "0.3.0"
 edition = "2021"
 rust-version = "1.81"
 
@@ -26,7 +26,7 @@ categories = ["api-bindings"]
 readme = "README.md"
 
 [dependencies]
-aws-macros = { path = "./aws_macros", version = "0.2.*" }
+aws-macros = { path = "./aws_macros", version = "0.3.*" }
 aws-config = { version = "1.*", default-features = false }
 aws-sdk-ec2 = { version = "1.*", default-features = false, features = [
   "rustls",

Makefile

@@ -7,11 +7,12 @@ docs:
 
 .PHONY: test
 test:
-	@cargo test --workspace --color=always
+	cargo hack --feature-powerset --no-dev-deps check
+	cargo test --workspace --color=always
 
 .PHONY: lint
 lint:
-	@cargo clippy --workspace --tests --color=always
+	cargo clippy --workspace --tests --color=always
 
 .PHONY: fmt
 fmt:

README.md

@@ -1,5 +1,6 @@
 # AWS
 
-* Helper functions for frequently used AWS operations (create EC2 instance, Route53 record, ...)
-* Type-safe operations on AWS tags (e.g. from an EC2 instance), see [the separate README](./src/tags/README.md)
-
+- Helper functions for frequently used AWS operations (create EC2 instance,
+  Route53 record, ...)
+- Type-safe operations on AWS tags (e.g. from an EC2 instance), see
+  [the separate README](./src/tags/README.md)

aws_macros/src/tags.rs

@@ -24,6 +24,25 @@ struct Element {
     attrs: Vec<syn::Attribute>,
 }
 
+fn is_cfg_attribute(attr: &syn::Attribute) -> bool {
+    match attr.meta {
+        syn::Meta::List(ref meta_list) => {
+            let segments = &meta_list.path.segments;
+            match (segments.first(), segments.len()) {
+                (Some(segment), 1) => segment.ident == "cfg",
+                _ => false,
+            }
+        }
+        _ => false,
+    }
+}
+
+fn cfg_attrs(v: &[syn::Attribute]) -> Vec<&syn::Attribute> {
+    v.iter()
+        .filter(|attr: &&syn::Attribute| is_cfg_attribute(attr))
+        .collect()
+}
+
 fn parse_type(input: syn::Type) -> (syn::Path, ElementKind) {
     match input {
         syn::Type::Path(ty) => {
@@ -203,7 +222,7 @@ fn build_output(input: Input) -> TokenStream {
         let params = input.elements.iter().map(|element| {
             let ident = &element.ident;
             let ty = &element.ty;
-            let attrs = &element.attrs;
+            let attrs = cfg_attrs(&element.attrs);
             match element.kind {
                 ElementKind::Required => quote! {
                     #(#attrs)
@@ -223,7 +242,7 @@ fn build_output(input: Input) -> TokenStream {
             .iter()
             .map(|element| {
                 let ident = &element.ident;
-                let attrs = &element.attrs;
+                let attrs = cfg_attrs(&element.attrs);
                 quote! {
                     #(#attrs)
                     *
@@ -232,11 +251,11 @@ fn build_output(input: Input) -> TokenStream {
             })
             .collect();
 
-        let from_tags_fields: Vec<proc_macro2::TokenStream>= input.elements.iter().map(|element| {
+        let from_tags_fields: Vec<proc_macro2::TokenStream> = input.elements.iter().map(|element| {
             let ident = &element.ident;
             let ty = &element.ty;
             let tag_name = &element.name;
-            let attrs = &element.attrs;
+            let attrs = cfg_attrs(&element.attrs);
 
             let try_convert = quote! {
                 let value: ::std::result::Result<#ty, #root::tags::ParseTagsError> = <#ty as #root::tags::TagValue<#ty>>::from_raw_tag(value)