Update to syn/quote 1.0

Author: Luthaf

soa-derive-internal/Cargo.toml

@@ -16,6 +16,6 @@ Internal crate implementation for soa-derive
 proc-macro = true
 
 [dependencies]
-syn = "0.15"
-quote = "0.6"
-proc-macro2 = "0.4"
+syn = "1"
+quote = "1"
+proc-macro2 = "1"

soa-derive-internal/src/input.rs

@@ -1,5 +1,5 @@
 use proc_macro2::{Span, TokenStream};
-use syn::{Data, DeriveInput, Ident, Field, Visibility, Meta, Lit};
+use syn::{Data, DeriveInput, Ident, Field, Visibility, Meta, MetaNameValue, Lit};
 use quote::quote;
 
 /// Representing the struct we are deriving
@@ -25,16 +25,15 @@ impl Input {
 
         let mut derives: Vec<Ident> = vec![];
         for attr in input.attrs {
-            if let Some(meta) = attr.interpret_meta() {
-                if meta.name() == "soa_derive" {
-                    if let Meta::NameValue(meta) = meta {
-                        if let Lit::Str(string) = meta.lit {
+            if let Ok(meta) = attr.parse_meta() {
+                if meta.path().is_ident("soa_derive") {
+                    match meta {
+                        Meta::NameValue(MetaNameValue{lit: Lit::Str(string), ..}) => {
                             for value in string.value().split(',') {
                                 derives.push(Ident::new(value.trim(), Span::call_site()));
                             }
                         }
-                    } else {
-                        panic!("expected #[soa_derive = \"Traits, To, Derive\"], got {}", "meta TODO")
+                        _ => panic!("expected #[soa_derive = \"Traits, To, Derive\"], got #[{}]", quote!(#meta))
                     }
                 }
             }

soa-derive-internal/src/lib.rs

@@ -1,5 +1,3 @@
-#![recursion_limit="512"]
-
 #![warn(clippy::all, clippy::pedantic)]
 #![allow(clippy::needless_return, clippy::redundant_field_names)]
 #![allow(clippy::stutter, clippy::use_self)]