lollipop operator, fixed but in grammar-lalrpop for environment parsing

src/rsprocess/classical.rs

@@ -10,7 +10,11 @@ use super::structure::{RSset, RSreaction};
 
 /// Computes the result of a single reaction (if enabled returns the products)
 /// otherwise returns None.
-pub fn compute_step<'a>(current_state: &'a RSset, reaction: &'a RSreaction) -> Option<&'a RSset> {
+// see result
+pub fn compute_step<'a>(
+    current_state: &'a RSset,
+    reaction: &'a RSreaction
+) -> Option<&'a RSset> {
     if reaction.enabled(current_state) {
 	Some(reaction.products())
     } else {
@@ -20,6 +24,23 @@ pub fn compute_step<'a>(current_state: &'a RSset, reaction: &'a RSreaction) -> O
 
 /// Computes the result of a series of reactions. Returns the union of all
 /// products.
-pub fn compute_all<'a>(current_state: &'a RSset, reactions: Vec<&'a RSreaction>) -> RSset {
-    reactions.iter().fold(RSset::new(), |acc, r| acc.union_option(compute_step(current_state, r)))
+// see result
+pub fn compute_all<'a>(
+    current_state: &'a RSset,
+    reactions: Vec<&'a RSreaction>
+) -> RSset {
+    reactions.iter().fold(
+	RSset::new(),
+	|acc, r| acc.union_option(compute_step(current_state, r))
+    )
+}
+
+pub fn compute_all_owned<'a>(
+    current_state: &'a RSset,
+    reactions: &'a [RSreaction]
+) -> RSset {
+    reactions.iter().fold(
+	RSset::new(),
+	|acc, r| acc.union_option(compute_step(current_state, r))
+    )
 }