add <: case to __dot__

JuliaLang · Mar 13, 2020 · c364df6 · c364df6
1 parent 813de45
commit c364df6
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diff --git a/base/broadcast.jl b/base/broadcast.jl
@@ -1173,6 +1173,8 @@ function __dot__(x::Expr)
     elseif (x.head === :(=) || x.head === :function || x.head === :macro) &&
            Meta.isexpr(x.args[1], :call) # function or macro definition
         Expr(x.head, x.args[1], dotargs[2])
+    elseif x.head === :(<:)
+        Expr(:(.<:), dotargs...)
     else
         if x.head === :&& || x.head === :||
             error("""

diff --git a/test/broadcast.jl b/test/broadcast.jl
@@ -857,3 +857,6 @@ end
 
 # 28680
 @test 1 .+ 1 .+  (1, 2) == (3, 4)
+
+ret =  @macroexpand @.([Int, Number] <: Real)
+@test ret == :($(Expr(:.<:, :([Int, Number]), :Real)))