fix!: Update minimum supported Rust version to 1.85 (#683)

Author: SuchAFuriousDeath

CONTRIBUTING.md

@@ -11,7 +11,7 @@ When reporting an issue, in order to help the maintainers understand what the pr
 
 When making a code contribution to AccessKit, before opening your pull request please make sure that:
 
-- your patch builds with AccessKit's minimal supported Rust version (currently Rust 1.77.2)
+- your patch builds with AccessKit's minimal supported Rust version (currently Rust 1.85)
 - you added tests where applicable
 - you tested your modifications on all impacted platforms (see below)
 - you updated any relevant documentation

Cargo.toml

@@ -22,7 +22,7 @@ categories = ["gui"]
 edition = "2021"
 license = "MIT OR Apache-2.0"
 repository = "https://github.com/AccessKit/accesskit"
-rust-version = "1.77.2"
+rust-version = "1.85"
 
 [workspace.dependencies]
 hashbrown = { version = "0.16", default-features = false, features = ["default-hasher"] }

common/Cargo.toml

@@ -27,3 +27,4 @@ enumn = ["dep:enumn"]
 pyo3 = ["dep:pyo3"]
 serde = ["dep:serde", "enumn", "uuid/serde"]
 schemars = ["dep:schemars", "dep:serde_json", "serde", "schemars/uuid1"]
+

consumer/Cargo.toml

@@ -14,3 +14,4 @@ rust-version.workspace = true
 [dependencies]
 accesskit = { version = "0.23.0", path = "../common" }
 hashbrown.workspace = true
+

consumer/src/node.rs

@@ -773,7 +773,7 @@ impl<'a> Node<'a> {
             first_text_run
                 .data()
                 .value()
-                .map_or(true, |value| value.is_empty())
+                .is_none_or(|value| value.is_empty())
                 && text_runs.next().is_none()
         } else {
             true

platforms/android/Cargo.toml

@@ -19,4 +19,3 @@ accesskit = { version = "0.23.0", path = "../../common" }
 accesskit_consumer = { version = "0.33.1", path = "../../consumer" }
 jni = "0.21.1"
 log = "0.4.17"
-

platforms/atspi-common/Cargo.toml

@@ -20,4 +20,3 @@ accesskit_consumer = { version = "0.33.1", path = "../../consumer" }
 atspi-common = { version = "0.13", default-features = false }
 serde = "1.0"
 zvariant = { version = "5.4", default-features = false }
-

platforms/macos/Cargo.toml

@@ -34,4 +34,3 @@ objc2-app-kit = { version = "0.2.0", features = [
     "NSView",
     "NSWindow",
 ] }
-

platforms/unix/Cargo.toml

@@ -36,4 +36,3 @@ tokio-stream = { version = "0.1.14", optional = true }
 version = "1.32.0"
 optional = true
 features = ["macros", "net", "rt", "sync", "time"]
-

platforms/windows/Cargo.toml

@@ -42,4 +42,3 @@ once_cell = "1.13.0"
 parking_lot = "0.12.4"
 scopeguard = "1.1.0"
 winit = "0.30"
-