Merge #307

307: fix warnings r=therealprof a=burrbull



Co-authored-by: Andrey Zgarbul <zgarbul.andrey@gmail.com>

Author: bors[bot]

src/main.rs

@@ -19,7 +19,7 @@ mod generate;
 mod util;
 
 use std::fs::File;
-use std::io::{self, Write};
+use std::io::Write;
 use std::process;
 
 use clap::{App, Arg};

src/util.rs

@@ -264,10 +264,10 @@ impl U32Ext for u32 {
     fn to_ty(&self) -> Result<Ident> {
         Ok(match *self {
             1 => Ident::new("bool"),
-            2...8 => Ident::new("u8"),
-            9...16 => Ident::new("u16"),
-            17...32 => Ident::new("u32"),
-            33...64 => Ident::new("u64"),
+            2..=8 => Ident::new("u8"),
+            9..=16 => Ident::new("u16"),
+            17..=32 => Ident::new("u32"),
+            33..=64 => Ident::new("u64"),
             _ => Err(format!(
                 "can't convert {} bits into a Rust integral type",
                 *self
@@ -278,10 +278,10 @@ impl U32Ext for u32 {
     fn to_ty_width(&self) -> Result<u32> {
         Ok(match *self {
             1 => 1,
-            2...8 => 8,
-            9...16 => 16,
-            17...32 => 32,
-            33...64 => 64,
+            2..=8 => 8,
+            9..=16 => 16,
+            17..=32 => 32,
+            33..=64 => 64,
             _ => Err(format!(
                 "can't convert {} bits into a Rust integral type width",
                 *self