Fix missing docs.

Author: reitermarkus

src/ir/context.rs

@@ -1942,7 +1942,7 @@ If you encounter an error missing from this list, please file an issue or a PR!"
         type_id
     }
 
-    pub fn wrapper_id_by_name(&self, name: &str) -> Option<&TypeId> {
+    pub(crate) fn wrapper_id_by_name(&self, name: &str) -> Option<&TypeId> {
         self.wrapper_ids.get(name)
     }
 

src/ir/var.rs

@@ -47,9 +47,12 @@ pub struct Var {
     is_const: bool,
 }
 
+/// Either a concrete `TypeId` or a type name which allows for lazy lookup later on.
 #[derive(Debug)]
 pub enum VarTypeId {
+    /// A known `TypeId`.
     Concrete(TypeId),
+    /// A name for a type whose `TypeId` is may not yet be available.
     Lazy(String),
 }