updates for rust 1.34

Cargo.toml

@@ -7,9 +7,8 @@ homepage    = "https://greyserv.net/maraiah/"
 repository  = "http://git.greyserv.net/marrub/Maraiah"
 readme      = "README.md"
 license     = "CC0-1.0"
-
-edition = "2018"
-publish = false
+edition     = "2018"
+publish     = false
 
 [features]
 serde_obj = ["serde"]

source/durandal/bin.rs

@@ -1,7 +1,7 @@
 //! Binary data conversion utilities.
 
 use crate::durandal::err::*;
-use std::{fmt, num::NonZeroU16};
+use std::{convert::{TryFrom, TryInto}, fmt, num::NonZeroU16};
 
 #[doc(hidden)]
 #[macro_export]
@@ -161,8 +161,6 @@ macro_rules! rd_impl {
 /// ```
 /// # #[macro_use] extern crate maraiah;
 /// # use maraiah::durandal::err::*;
-/// # fn main() -> ResultS<()>
-/// # {
 /// let buffer = &[4, 0, 2, 0, 0, 0, 6];
 ///
 /// read_data! {
@@ -178,8 +176,7 @@ macro_rules! rd_impl {
 /// assert_eq!(two, 2_u32);
 /// assert_eq!(six, 6_u8);
 /// assert_eq!(byte, &[2, 0, 0, 0]);
-/// #    Ok(())
-/// # }
+/// # Ok(())
 /// ```
 #[macro_export]
 macro_rules! read_data {
@@ -205,7 +202,12 @@ macro_rules! check_data {
    };
 }
 
-/// Casts a `u32` to a `usize`. For future compatibility.
+/// Casts a `u32` to a `usize`.
+///
+/// # Panics
+///
+/// Will panic if the platform does not have a 32-bit `usize`. In this case,
+/// the application is not supported, but will still run and panic at runtime.
 ///
 /// # Examples
 ///
@@ -215,7 +217,7 @@ macro_rules! check_data {
 /// assert_eq!(usize_from_u32(777u32), 777usize);
 /// ```
 #[inline]
-pub const fn usize_from_u32(n: u32) -> usize {n as usize}
+pub fn usize_from_u32(n: u32) -> usize {usize::try_from(n).unwrap()}
 
 /// Creates an `Ident` from a slice.
 ///
@@ -231,7 +233,7 @@ pub const fn usize_from_u32(n: u32) -> usize {n as usize}
 /// assert_eq!(ident(b"POLY"), Ident([b'P', b'O', b'L', b'Y']));
 /// ```
 #[inline]
-pub const fn ident(b: &[u8]) -> Ident {Ident([b[0], b[1], b[2], b[3]])}
+pub fn ident(b: &[u8]) -> Ident {Ident(b[0..4].try_into().unwrap())}
 
 /// Applies `u32::from_be_bytes` to a slice.
 ///
@@ -247,7 +249,7 @@ pub const fn ident(b: &[u8]) -> Ident {Ident([b[0], b[1], b[2], b[3]])}
 /// assert_eq!(u32b(&[0x00, 0x0B, 0xDE, 0x31]), 777_777u32);
 /// ```
 #[inline]
-pub fn u32b(b: &[u8]) -> u32 {u32::from_be_bytes([b[0], b[1], b[2], b[3]])}
+pub fn u32b(b: &[u8]) -> u32 {u32::from_be_bytes(b[0..4].try_into().unwrap())}
 
 /// Applies `u16::from_be_bytes` to a slice.
 ///
@@ -263,7 +265,7 @@ pub fn u32b(b: &[u8]) -> u32 {u32::from_be_bytes([b[0], b[1], b[2], b[3]])}
 /// assert_eq!(u16b(&[0x1E, 0x61]), 7_777u16);
 /// ```
 #[inline]
-pub fn u16b(b: &[u8]) -> u16 {u16::from_be_bytes([b[0], b[1]])}
+pub fn u16b(b: &[u8]) -> u16 {u16::from_be_bytes(b[0..2].try_into().unwrap())}
 
 /// Applies `i32::from_be_bytes` to a slice.
 ///
@@ -279,7 +281,7 @@ pub fn u16b(b: &[u8]) -> u16 {u16::from_be_bytes([b[0], b[1]])}
 /// assert_eq!(i32b(&[0xFF, 0x89, 0x52, 0x0F]), -7_777_777i32);
 /// ```
 #[inline]
-pub fn i32b(b: &[u8]) -> i32 {i32::from_be_bytes([b[0], b[1], b[2], b[3]])}
+pub fn i32b(b: &[u8]) -> i32 {i32::from_be_bytes(b[0..4].try_into().unwrap())}
 
 /// Applies `i16::from_be_bytes` to a slice.
 ///
@@ -295,7 +297,7 @@ pub fn i32b(b: &[u8]) -> i32 {i32::from_be_bytes([b[0], b[1], b[2], b[3]])}
 /// assert_eq!(i16b(&[0xE1, 0x9F]), -7_777i16);
 /// ```
 #[inline]
-pub fn i16b(b: &[u8]) -> i16 {i16::from_be_bytes([b[0], b[1]])}
+pub fn i16b(b: &[u8]) -> i16 {i16::from_be_bytes(b[0..2].try_into().unwrap())}
 
 /// Applies a read function over a slice.
 ///

source/marathon/defl.rs

@@ -144,7 +144,7 @@ fn stream_dynamic(v: &mut Vec<u8>, b: &[u8], mut p: usize) -> ResultS<usize>
    let hclen = read_bits_l(b, p, 4)?;
    p += 4;
 
-   let hlit = 257 + hlit as usize;
+   let hlit  = 257 + hlit as usize;
    let hdist = 1 + hdist as usize;
    let hclen = 4 + hclen as usize;
 

source/tycho/Cargo.toml

@@ -3,9 +3,8 @@ name        = "maraiah-tycho"
 version     = "0.1.0"
 authors     = ["Alison Sanderson <marrub@greyserv.net>"]
 description = "Tycho map editor."
-
-edition = "2018"
-build   = "build.rs"
+edition     = "2018"
+build       = "build.rs"
 
 [dependencies]
 atk-sys        = "0.8"