Use nothing instead of () to signify no available frame

JuliaLang · Apr 19, 2018 · e570173 · e570173
1 parent 8acfdeb
commit e570173
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Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/base/broadcast.jl b/base/broadcast.jl
@@ -853,7 +853,7 @@ function __dot__(x::Expr)
         if x.head == :&& || x.head == :||
             Base.depwarn("""
                 using $(x.head) expressions in @. is deprecated; in the future it will
-                become elementwise. Break the expression into smaller parts instead.""", ())
+                become elementwise. Break the expression into smaller parts instead.""", nothing)
         end
         head = string(x.head)
         if last(head) == '=' && first(head) != '.'

diff --git a/base/deprecated.jl b/base/deprecated.jl
@@ -82,11 +82,12 @@ function depwarn(msg, funcsym)
         _id=(frame,funcsym),
         _group=:depwarn,
         caller=caller,
-        maxlog=funcsym === () ? nothing : 1
+        maxlog=funcsym
     )
     nothing
 end
 
+firstcaller(bt::Vector, ::Nothing) = Ptr{Cvoid}(0), StackTraces.UNKNOWN
 firstcaller(bt::Vector, funcsym::Symbol) = firstcaller(bt, (funcsym,))
 function firstcaller(bt::Vector, funcsyms)
     # Identify the calling line