From 0bdd069738a49c1239f6b3bb1e8df1dda6db0a0e Mon Sep 17 00:00:00 2001
From: Jonas Isensee <jonas.isensee@web.de>
Date: Mon, 16 Aug 2021 17:11:47 +0200
Subject: [PATCH] another fix

---
 src/JLD2.jl | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/JLD2.jl b/src/JLD2.jl
index 9c191ea0..170ebd3d 100644
--- a/src/JLD2.jl
+++ b/src/JLD2.jl
@@ -173,9 +173,9 @@ mutable struct JLDFile{T<:IO}
     datatype_locations::OrderedDict{RelOffset,CommittedDatatype}
     datatypes::Vector{H5Datatype}
     datatype_wsession::JLDWriteSession{Dict{UInt,RelOffset}}
-    jlh5type::IdDict
-    h5jltype::IdDict
-    jloffset::Dict{RelOffset,WeakRef}
+    jlh5type::IdDict # Julia Type → H5Type
+    h5jltype::IdDict # H5Type → Julia Type
+    jloffset::Dict{RelOffset,WeakRef} # Cache for (mutable) loaded objects
     end_of_data::Int64
     global_heaps::Dict{RelOffset,GlobalHeap}
     global_heap::GlobalHeap
@@ -374,7 +374,7 @@ function load_datatypes(f::JLDFile)
 end
 
 function load_all_juliatypes(f::JLDFile)
-    length(f.juliatypes_group) == length(f.datatype_locations_rev) && return
+    length(f.juliatypes_group) == length(f.juliatype_locations_rev) && return
     for offset in values(f.juliatypes_group.written_links)
         dt = load_dataset(f, offset)
         f.datatype_locations[offset] = dt