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Tidy up `pyo3cls/src/lib.rs`

This commit is contained in:
Martin Larralde 2018-05-14 01:14:50 +02:00
parent d1d0dddb48
commit 4414d684e4
1 changed files with 6 additions and 7 deletions
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13
pyo3cls/src/lib.rs
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@ -6,16 +6,15 @@
extern crate proc_macro;
extern crate pyo3_derive_backend;
extern crate quote;
#[macro_use]
extern crate syn;
use std::str::FromStr;
use proc_macro::TokenStream;
use pyo3_derive_backend::*;
use quote::{ToTokens, Tokens};
use quote::ToTokens;
use syn::buffer::TokenBuffer;
use syn::punctuated::Punctuated;
use syn::token::Comma;
use pyo3_derive_backend::*;
#[proc_macro_attribute]
@ -84,9 +83,9 @@ pub fn class(attr: TokenStream, input: TokenStream) -> TokenStream {
.expect("#[class] must be used on an ");
// Parse the macro arguments into a list of expressions
let mut args: Vec<syn::Expr> = {
let args: Vec<syn::Expr> = {
let buffer = TokenBuffer::new(attr);
let punc = Punctuated::<syn::Expr, Token![,]>::parse_terminated(buffer.begin());
let punc = Punctuated::<syn::Expr,Comma>::parse_terminated(buffer.begin());
punc.expect("could not parse macro arguments").0.into_iter().collect()
};