fix warnings maud_macros refs #121

Author: anxiousmodernman

maud_macros/src/build.rs

@@ -2,8 +2,6 @@ use proc_macro::{Delimiter, Group, Literal, Span, TokenStream, TokenTree};
 use proc_macro::quote;
 use maud_htmlescape::Escaper;
 
-use std::iter::FromIterator;
-
 pub struct Builder {
     output_ident: TokenTree,
     stmts: Vec<TokenStream>,

maud_macros/src/lib.rs

@@ -10,7 +10,7 @@ extern crate proc_macro;
 mod parse;
 mod build;
 
-use proc_macro::{Literal, Span, Term, TokenStream, TokenTree};
+use proc_macro::{Span, Term, TokenStream, TokenTree};
 use proc_macro::quote;
 
 type ParseResult<T> = Result<T, String>;
@@ -34,9 +34,9 @@ fn expand(input: TokenStream) -> TokenStream {
     let output_ident = TokenTree::Term(Term::new("__maud_output", Span::def_site()));
     // Heuristic: the size of the resulting markup tends to correlate with the
     // code size of the template itself
-    let size_hint = input.to_string().len();
-    // QUESTION: u64_suffixed or unsuffixed?
-    let size_hint = Literal::u64_unsuffixed(size_hint as u64);
+    //
+    // NOTE: can't get this to compile inside quote!
+    //let size_hint = Literal::u64_unsuffixed(size_hint as u64);
     let stmts = match parse::parse(input, output_ident.clone()) {
         Ok(stmts) => stmts,
         Err(e) => panic!(e),

maud_macros/src/parse.rs

@@ -10,9 +10,7 @@ use proc_macro::{
 };
 
 use proc_macro::token_stream;
-use std::iter;
 use std::mem;
-use std::iter::FromIterator;
 
 use literalext::LiteralExt;
 
@@ -572,7 +570,7 @@ impl Parser {
 
     /// Parses the given token stream as a Maud expression, returning a block of
     /// Rust code.
-    fn block(&mut self, body: TokenStream, span: Span) -> ParseResult<TokenTree> {
+    fn block(&mut self, body: TokenStream, _span: Span) -> ParseResult<TokenTree> {
         let mut builder = self.builder();
         self.with_input(body).markups(&mut builder)?;
         Ok(TokenTree::Group(Group::new(Delimiter::Brace, builder.build())))