From 9b85239161522a1ddf8c57c5386ebb1ce2f1ded1 Mon Sep 17 00:00:00 2001
From: Alexander Barth <barth.alexander@gmail.com>
Date: Tue, 14 Nov 2023 22:32:23 +0100
Subject: [PATCH] keys and getindex for variables more specific

---
 src/cfvariable.jl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/cfvariable.jl b/src/cfvariable.jl
index bec17471..747f71dd 100644
--- a/src/cfvariable.jl
+++ b/src/cfvariable.jl
@@ -467,13 +467,13 @@ function _isrelated(v1::AbstractVariable,v2::AbstractVariable)
     dimnames(v1) ⊆ dimnames(v2)
 end
 
-function Base.keys(v::AbstractVariable)
+function Base.keys(v::AbstractNCVariable)
     ds = dataset(v)
     return [varname for (varname,ncvar) in ds if _isrelated(ncvar,v)]
 end
 
 
-function Base.getindex(v::AbstractVariable,name::SymbolOrString)
+function Base.getindex(v::AbstractNCVariable,name::SymbolOrString)
     ds = dataset(v)
     ncvar = ds[name]
     if _isrelated(ncvar,v)