add experimental flag to uiua eval

changelog.md

@@ -18,6 +18,7 @@ This version is not yet released. If you are reading this on the website, then t
   - This should not affect any language semantics
 - Improve pattern matching error messages
 - Optimize the "root" pattern `ⁿ%:1`
+- Add an `-e`/`--experimental` flag to the `uiua eval` command to enable experimental features
 ### Website
 - Add a new pad setting to show line values to the right of the code
 

src/compile/mod.rs

@@ -299,6 +299,11 @@ impl Compiler {
         self.mode = mode;
         self
     }
+    /// Enable experimental features
+    pub fn experimental(&mut self, experimental: bool) -> &mut Self {
+        self.scope.experimental = experimental;
+        self
+    }
     /// Get the backend
     pub fn backend(&self) -> Arc<dyn SysBackend> {
         self.macro_env.rt.backend.clone()

src/main.rs

@@ -182,6 +182,7 @@ fn main() {
             App::Eval {
                 code,
                 no_color,
+                experimental,
                 #[cfg(feature = "audio")]
                 audio_options,
                 args,
@@ -191,6 +192,7 @@ fn main() {
                 let mut rt = Uiua::with_native_sys().with_args(args);
                 rt.compile_run(|comp| {
                     comp.mode(RunMode::Normal)
+                        .experimental(experimental)
                         .print_diagnostics(true)
                         .load_str(&code)
                 })
@@ -710,6 +712,8 @@ enum App {
         code: String,
         #[clap(long, help = "Don't colorize stack output")]
         no_color: bool,
+        #[clap(short, long, help = "Enable experimental features")]
+        experimental: bool,
         #[cfg(feature = "audio")]
         #[clap(flatten)]
         audio_options: AudioOptions,