Fixing build warnings and compile errors with minimal MeTTa

lib/src/metta/runner/stdlib.rs

@@ -22,9 +22,12 @@ use super::arithmetics::*;
 
 pub const VOID_SYMBOL : Atom = sym!("%void%");
 
+//TODO: convert these from functions to static strcutures, when Atoms are Send+Sync
+#[allow(non_snake_case)]
 pub fn UNIT_ATOM() -> Atom {
     Atom::expr([])
 }
+#[allow(non_snake_case)]
 pub fn UNIT_TYPE() -> Atom {
     Atom::expr([ARROW_SYMBOL])
 }

lib/src/metta/runner/stdlib2.rs

@@ -16,6 +16,18 @@ use std::collections::HashMap;
 
 use super::arithmetics::*;
 
+pub const VOID_SYMBOL : Atom = sym!("%void%");
+
+//TODO: convert these from functions to static strcutures, when Atoms are Send+Sync
+#[allow(non_snake_case)]
+pub fn UNIT_ATOM() -> Atom {
+    Atom::expr([])
+}
+#[allow(non_snake_case)]
+pub fn UNIT_TYPE() -> Atom {
+    Atom::expr([ARROW_SYMBOL])
+}
+
 #[derive(Clone, PartialEq, Debug)]
 pub struct GetTypeOp {}
 

lib/tests/metta.rs

@@ -1,4 +1,7 @@
+#[cfg(not(feature = "minimal"))]
 use hyperon::metta::runner::stdlib::UNIT_ATOM;
+#[cfg(feature = "minimal")]
+use hyperon::metta::runner::stdlib2::UNIT_ATOM;
 use hyperon::metta::text::*;
 use hyperon::metta::runner::new_metta_rust;