From 06e607fd843398ab4a7c663e6f3a1ad9f0d654a2 Mon Sep 17 00:00:00 2001
From: stanislav <sgryumov@bhft.com>
Date: Fri, 3 Jan 2025 18:35:19 +0300
Subject: [PATCH] Replaced enumerate with a manual counter

---
 src/De/Deser.jl | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/src/De/Deser.jl b/src/De/Deser.jl
index 69df6f2..b12185c 100644
--- a/src/De/Deser.jl
+++ b/src/De/Deser.jl
@@ -365,33 +365,39 @@ end
 end
 
 function deser(::CustomType, ::Type{T}, data::AbstractVector{A})::T where {T<:Any,A<:Any}
-    target = Any[]
-    for (index, type) in enumerate(fieldtypes(T))
+    target = Vector{Any}(undef, fieldcount(T))
+    index::Int = 0
+    for type in fieldtypes(T)
+        index += 1
         val = get(data, index, nulltype(type))
         val = isempty(T, val) ? nulltype(type) : val
-        push!(target, eldeser(T, type, index, val))
+        target[index] = eldeser(T, type, index, val)
     end
     return T(target...)
 end
 
 function deser(::CustomType, ::Type{T}, data::AbstractDict{K,D})::T where {T<:Any,K<:Union{AbstractString,Symbol},D<:Any}
-    target = Any[]
+    target = Vector{Any}(undef, fieldcount(T))
+    index::Int = 0
     for (type, name) in zip(fieldtypes(T), fieldnames(T))
+        index += 1
         key = custom_name(T, Val(name))
         val = get(data, K(key), default_value(T, Val(name)))
         val = isnothing(val) || ismissing(val) || isempty(T, val) ? nulltype(type) : val
-        push!(target, eldeser(T, type, key, val))
+        target[index] = eldeser(T, type, key, val)
     end
     return T(target...)
 end
 
 function deser(::CustomType, ::Type{T}, data::N)::T where {T<:Any,N<:NamedTuple}
-    target = Any[]
+    target = Vector{Any}(undef, fieldcount(T))
+    index::Int = 0
     for (type, name) in zip(fieldtypes(T), fieldnames(T))
+        index += 1
         key = custom_name(T, Val(name))
         val = get(data, key, default_value(T, Val(name)))
         val = isnothing(val) || ismissing(val) || isempty(T, val) ? nulltype(type) : val
-        push!(target, eldeser(T, type, key, val))
+        target[index] = eldeser(T, type, key, val)
     end
     return T(target...)
 end