Assert type for displaysize

JuliaLang · Jun 17, 2020 · 44f88a8 · 44f88a8
1 parent 6a69baa
commit 44f88a8
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/base/show.jl b/base/show.jl
@@ -340,7 +340,7 @@ getindex(io::IO, key) = throw(KeyError(key))
 get(io::IOContext, key, default) = get(io.dict, key, default)
 get(io::IO, key, default) = default
 
-displaysize(io::IOContext) = haskey(io, :displaysize) ? io[:displaysize] : displaysize(io.io)
+displaysize(io::IOContext) = haskey(io, :displaysize) ? io[:displaysize]::Tuple{Int,Int} : displaysize(io.io)
 
 show_circular(io::IO, @nospecialize(x)) = false
 function show_circular(io::IOContext, @nospecialize(x))