From bd2ba3d567c2830445fd52184003dd1b11f46ed1 Mon Sep 17 00:00:00 2001
From: embr <git@liclac.eu>
Date: Sat, 3 May 2025 14:42:04 +0200
Subject: [PATCH 1/2] error: Implement core::error::Error

Closes #111
---
 src/error.rs | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/src/error.rs b/src/error.rs
index 1b68c2e..f16fc02 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -1,7 +1,7 @@
 use core::fmt::{self, Display};
-use core::result;
+use core::{error, result};
 #[cfg(feature = "std")]
-use std::{error, io};
+use std::io;
 
 #[derive(Debug)]
 /// A custom Scroll error
@@ -26,14 +26,15 @@ pub enum Error {
     IO(io::Error),
 }
 
-#[cfg(feature = "std")]
 impl error::Error for Error {
     fn description(&self) -> &str {
         match self {
             Error::TooBig { .. } => "TooBig",
             Error::BadOffset(_) => "BadOffset",
             Error::BadInput { .. } => "BadInput",
+            #[cfg(feature = "std")]
             Error::Custom(_) => "Custom",
+            #[cfg(feature = "std")]
             Error::IO(_) => "IO",
         }
     }
@@ -42,7 +43,9 @@ impl error::Error for Error {
             Error::TooBig { .. } => None,
             Error::BadOffset(_) => None,
             Error::BadInput { .. } => None,
+            #[cfg(feature = "std")]
             Error::Custom(_) => None,
+            #[cfg(feature = "std")]
             Error::IO(ref io) => io.source(),
         }
     }

From f3242ecb058df9961220ff60809938d2b6952692 Mon Sep 17 00:00:00 2001
From: embr <git@liclac.eu>
Date: Sat, 3 May 2025 14:45:01 +0200
Subject: [PATCH 2/2] build: Raise MSRV to 1.81 for core::error::Error

---
 .github/workflows/main.yml | 2 +-
 Cargo.toml                 | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index b79f397..07d9560 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -15,7 +15,7 @@ jobs:
         include:
           - build: MSRV # Minimum supported Rust version, ensure it matches the rust-version in Cargo.toml
             os: ubuntu-latest
-            rust: 1.63
+            rust: 1.81
           - build: stable
             os: ubuntu-latest
             rust: stable
diff --git a/Cargo.toml b/Cargo.toml
index e0b9e5c..9a6f6f5 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,7 +10,7 @@ license = "MIT"
 documentation = "https://docs.rs/scroll"
 description = "A suite of powerful, extensible, generic, endian-aware Read/Write traits for byte buffers"
 include = ["src/**/*", "Cargo.toml", "LICENSE", "README.md"]
-rust-version = "1.63"
+rust-version = "1.81"
 
 [features]
 default = ["std"]