Add show_supertypes in type help

JuliaLang · Apr 22, 2017 · 2478f29 · 2478f29
1 parent d24238d
commit 2478f29
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diff --git a/base/docs/Docs.jl b/base/docs/Docs.jl
@@ -400,6 +400,13 @@ function summarize(io::IO, T::DataType, binding)
         end
         println(io, "```")
     end
+    if supertype(T) != Any
+        println(io, "**Supertype Hierarchy:**")
+        println(io, "```")
+        Base.show_supertypes(io, T)
+        println(io)
+        println(io, "```")
+    end
 end
 
 function summarize(io::IO, m::Module, binding)

diff --git a/test/docs.jl b/test/docs.jl
@@ -750,6 +750,11 @@ abstract type $(curmod_prefix)Undocumented.B <: $(curmod_prefix)Undocumented.A
 ```
 $(curmod_prefix)Undocumented.D
 ```
+
+**Supertype Hierarchy:**
+```
+$(curmod_prefix)Undocumented.B <: $(curmod_prefix)Undocumented.A <: Any
+```
 """)
 @test docstrings_equal(@doc(Undocumented.B), doc"$doc_str")
 
@@ -760,6 +765,11 @@ No documentation found.
 ```
 mutable struct $(curmod_prefix)Undocumented.C <: $(curmod_prefix)Undocumented.A
 ```
+
+**Supertype Hierarchy:**
+```
+$(curmod_prefix)Undocumented.C <: $(curmod_prefix)Undocumented.A <: Any
+```
 """)
 @test docstrings_equal(@doc(Undocumented.C), doc"$doc_str")
 
@@ -777,6 +787,11 @@ one   :: Any
 two   :: String
 three :: Float64
 ```
+
+**Supertype Hierarchy:**
+```
+$(curmod_prefix)Undocumented.D <: $(curmod_prefix)Undocumented.B <: $(curmod_prefix)Undocumented.A <: Any
+```
 """)
 @test docstrings_equal(@doc(Undocumented.D), doc"$doc_str")