From c7362013cfd120fde0e3743a7d64534cb8db00b6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Beno=C3=AEt=20Legat?= <benoit.legat@gmail.com>
Date: Sat, 14 Jun 2025 23:03:40 +0200
Subject: [PATCH] Implement copy for bases

---
 src/bases_dirac.jl | 2 ++
 src/bases_fixed.jl | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/src/bases_dirac.jl b/src/bases_dirac.jl
index 75d79189..48a917ff 100644
--- a/src/bases_dirac.jl
+++ b/src/bases_dirac.jl
@@ -101,6 +101,8 @@ function MappedBasis(itr, map, inverse_map)
     return MappedBasis{typeof(map(first(itr)))}(itr, map, inverse_map)
 end
 
+Base.copy(b::MappedBasis) = b
+
 object(db::MappedBasis) = db.object
 
 function Base.IteratorSize(::Type{<:MappedBasis{T,I,S}}) where {T,I,S}
diff --git a/src/bases_fixed.jl b/src/bases_fixed.jl
index 52732795..1ac67ffc 100644
--- a/src/bases_fixed.jl
+++ b/src/bases_fixed.jl
@@ -106,6 +106,8 @@ struct SubBasis{T,I,K,B<:AbstractBasis{T,K},V<:AbstractVector{K}} <:
     end
 end
 
+Base.copy(b::SubBasis) = SubBasis(copy(parent(b)), copy(b.keys))
+
 Base.parent(sub::SubBasis) = sub.parent_basis
 
 Base.length(b::SubBasis) = length(b.keys)