Update Rust edition

Author: sunsided

canny-edge-detector/Cargo.toml

@@ -2,7 +2,8 @@
 name = "canny-edge-detector"
 version = "0.1.0"
 authors = ["Markus Mayer <widemeadows@gmail.com>"]
-edition = "2018"
+edition = "2021"
+publish = false
 
 [dependencies]
 openvx-sys = { path ="../openvx-sys" }

openvx-sys/Cargo.toml

@@ -2,7 +2,7 @@
 name = "openvx-sys"
 version = "0.1.0"
 authors = ["Markus Mayer <widemeadows@gmail.com>"]
-edition = "2018"
+edition = "2021"
 description = "Native bindings to the OpenVX library"
 keywords = ["openvx"]
 build = "build.rs"

openvx/Cargo.toml

@@ -2,9 +2,7 @@
 name = "openvx"
 version = "0.1.0"
 authors = ["Markus Mayer <widemeadows@gmail.com>"]
-edition = "2018"
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+edition = "2021"
 
 [dependencies]
 openvx-sys = { path ="../openvx-sys" }