Migrate from Rust 2018 to Rust 2021

aschampion · Dec 6, 2022 · 3c2f19e · 3c2f19e
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - `\` is no longer accepted as a group or dataset separator on Windows filesystem. N5 key paths must use `/`.
 - The filesystem backend now returns platform correct `\`-separated URIs on Windows.
 - Increase MSRV 1.39 -> 1.56 for tool and dependency upgrades.
+- Update to Rust 2021 edition.
 - Updated `ndarray` from 0.13 to 0.15.
 - Updated `semver` from 0.9 to 1.0.
 

diff --git a/Cargo.toml b/Cargo.toml
@@ -1,8 +1,8 @@
 [package]
 name = "n5"
 version = "0.7.6"
-edition = "2018"
-rust-version = "1.39"
+edition = "2021"
+rust-version = "1.56"
 license = "MIT/Apache-2.0"
 authors = ["Andrew Champion <[email protected]>"]
 description = "Rust implementation of the N5 tensor file system format"