fixup! feat: HashMap and IMap modules with the vocabulary of the FSharp.Core Map module

The helpers of the map modules are in Helper/Dictionaries.fs, not in Helper.fs, since the split of that file.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

Author: xperiandri

src/FSharp.Collections.Immutable/HashMap/HashMap.fs

@@ -6,10 +6,10 @@ open System.Collections.Generic
 open System.Collections.Immutable
 
 // The functions call the members of ImmutableDictionary where it has them (ADR 0001, D5) and visit the bindings with the
-// algorithms that the map modules share (`Dictionaries` in Helper.fs). The transformations fill a builder that has the
-// comparers of the input, so that they keep them (D5, comparers). The functions that create a map from bindings are the
-// members of CustomComparersHashMap (D12) and the static members of HashMapExtensions (D13); the module has none of their
-// names, so that `HashMap.ofSeq` reaches the overloads of the extensions.
+// algorithms that the map modules share (`Dictionaries` in Helper/Dictionaries.fs). The transformations fill a builder
+// that has the comparers of the input, so that they keep them (D5, comparers). The functions that create a map from
+// bindings are the members of CustomComparersHashMap (D12) and the static members of HashMapExtensions (D13); the module
+// has none of their names, so that `HashMap.ofSeq` reaches the overloads of the extensions.
 
 // ---- Creation ----
 

src/FSharp.Collections.Immutable/HashMap/IMap.fs

@@ -5,10 +5,10 @@ open System.Collections.Generic
 open System.Collections.Immutable
 
 // The functions call the members of the interface where it has them (ADR 0001, D5) and visit the bindings with the
-// algorithms that the map modules share (`Dictionaries` in Helper.fs). The interface hides the comparers of a map, so the
-// transformations that keep the type of the values build their result with `Clear` and `AddRange` of the map itself,
-// which keep its implementation and its comparers; the ones that change the type of the values build a hash map with the
-// default comparers (D5, comparers).
+// algorithms that the map modules share (`Dictionaries` in Helper/Dictionaries.fs). The interface hides the comparers of
+// a map, so the transformations that keep the type of the values build their result with `Clear` and `AddRange` of the
+// map itself, which keep its implementation and its comparers; the ones that change the type of the values build a hash
+// map with the default comparers (D5, comparers).
 
 // ---- Properties ----