Move BoundedSeparated helper functions into ast

src/ast/basic.rs

@@ -106,6 +106,40 @@ impl<E> BoundedSeparated<E> {
             .push((Space::empty(self.span), elem, Space::empty(self.span)));
         self
     }
+
+    pub fn map<E2>(self, f: impl Fn(E) -> E2) -> BoundedSeparated<E2> {
+        let elems = self
+            .elems
+            .into_iter()
+            .map(|(s0, e, s1)| (s0, f(e), s1))
+            .collect::<Vec<_>>();
+
+        BoundedSeparated {
+            elems,
+            trailing: self.trailing,
+            span: self.span,
+        }
+    }
+
+    pub fn remove_map<E1, E2>(
+        self,
+        f: impl Fn(E) -> Result<E1, E2>,
+    ) -> (BoundedSeparated<E1>, Vec<(Space, E2, Space)>) {
+        let mut kept = vec![];
+        let mut removed = vec![];
+        for (s0, elem, s1) in self.elems {
+            match f(elem) {
+                Ok(elem) => kept.push((s0, elem, s1)),
+                Err(elem) => removed.push((s0, elem, s1)),
+            }
+        }
+        let new = BoundedSeparated {
+            elems: kept,
+            trailing: self.trailing,
+            span: self.span,
+        };
+        (new, removed)
+    }
 }
 
 impl BoundedSeparated<TableLitElem> {

src/desugar/basic.rs

@@ -1,4 +1,4 @@
-use crate::ast::{BoundedSeparated, Space};
+use crate::ast::BoundedSeparated;
 
 impl<E> BoundedSeparated<E> {
     pub fn desugar(self, desugar_elem: impl Fn(E) -> (E, bool)) -> (Self, bool) {
@@ -21,38 +21,4 @@ impl<E> BoundedSeparated<E> {
         };
         (new, desugared)
     }
-
-    pub fn map<E2>(self, f: impl Fn(E) -> E2) -> BoundedSeparated<E2> {
-        let elems = self
-            .elems
-            .into_iter()
-            .map(|(s0, e, s1)| (s0, f(e), s1))
-            .collect::<Vec<_>>();
-
-        BoundedSeparated {
-            elems,
-            trailing: self.trailing,
-            span: self.span,
-        }
-    }
-
-    pub fn remove_map<E1, E2>(
-        self,
-        f: impl Fn(E) -> Result<E1, E2>,
-    ) -> (BoundedSeparated<E1>, Vec<(Space, E2, Space)>) {
-        let mut kept = vec![];
-        let mut removed = vec![];
-        for (s0, elem, s1) in self.elems {
-            match f(elem) {
-                Ok(elem) => kept.push((s0, elem, s1)),
-                Err(elem) => removed.push((s0, elem, s1)),
-            }
-        }
-        let new = BoundedSeparated {
-            elems: kept,
-            trailing: self.trailing,
-            span: self.span,
-        };
-        (new, removed)
-    }
 }