Update to Rust Edition 2024

Author: phorward

Cargo.lock

@@ -8,7 +8,7 @@ authors = [
 homepage = "https://tokay.dev/"
 repository = "https://github.com/tokay-lang/tokay/"
 license = "MIT"
-edition = "2021"
+edition = "2024"
 categories = [
     "parsing",
     "compilers",

Cargo.toml

@@ -187,7 +187,10 @@ impl Compiler {
 
         // When TOKAY_LOG is set, set RUST_LOG to the setting *after* internal compilations
         if let Ok(log) = std::env::var("TOKAY_LOG") {
-            std::env::set_var("RUST_LOG", log.clone());
+            // FIXME: Avoid use of unsafe!
+            unsafe {
+                std::env::set_var("RUST_LOG", log.clone());
+            }
             env_logger::init();
         }
 

src/compiler/compiler.rs

@@ -195,7 +195,10 @@ fn main() -> rustyline::Result<()> {
 
     // Set TOKAY_DEBUG when debug flag was set.
     if opts.debug > 0 {
-        std::env::set_var("TOKAY_DEBUG", format!("{}", opts.debug));
+        // FIXME: Avoid use of unsafe!
+        unsafe {
+            std::env::set_var("TOKAY_DEBUG", format!("{}", opts.debug));
+        }
     }
 
     // Show license and exit?