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Depend directly on proc_macro2 for Span

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The latest version of syn no longer exports the Span type in the
way protocol-derive expected. This means that new users will get
a compile error saying "could not find `export` in `syn`". By
depending on proc_macro2 for the definition of Span, this is
easily resolved.
This commit is contained in:
Benjamin Givens 2021-05-01 15:39:45 -04:00
parent ff7edbb575
commit 41c185fcb1
1 changed files with 1 additions and 2 deletions
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3
protocol-derive/src/lib.rs
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@ -1,11 +1,10 @@
extern crate proc_macro;
use proc_macro::TokenStream as TokenStream1;
use proc_macro2::Ident;
use proc_macro2::TokenStream as TokenStream2;
use proc_macro2::{Ident, Span};
use quote::{quote, TokenStreamExt};
use std::iter::FromIterator;
use syn::export::Span;
use syn::{parse_macro_input, Data, DeriveInput, Field, Fields, Lit, Meta, NestedMeta};
#[proc_macro_derive(Packet, attributes(packet))]