From 392ced81c920d3edf3b9c439af920be265606f67 Mon Sep 17 00:00:00 2001
From: "Michael K. Borregaard" <mkborregaard@snm.ku.dk>
Date: Tue, 30 May 2017 16:55:30 +0200
Subject: [PATCH] some forgotten extrema -> _extrema

---
 src/backends/glvisualize.jl | 2 +-
 src/layouts.jl              | 2 +-
 src/recipes.jl              | 2 +-
 test/runtests.jl            | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/backends/glvisualize.jl b/src/backends/glvisualize.jl
index cf2c9f1c..cc75917f 100644
--- a/src/backends/glvisualize.jl
+++ b/src/backends/glvisualize.jl
@@ -525,7 +525,7 @@ function hover(to_hover, to_display, window)
 end
 
 function extract_extrema(d, kw_args)
-    xmin, xmax = extrema(d[:x]); ymin, ymax = _extrema(d[:y])
+    xmin, xmax = _extrema(d[:x]); ymin, ymax = _extrema(d[:y])
     kw_args[:primitive] = GeometryTypes.SimpleRectangle{Float32}(xmin, ymin, xmax-xmin, ymax-ymin)
     nothing
 end
diff --git a/src/layouts.jl b/src/layouts.jl
index 2e9fd853..9b123839 100644
--- a/src/layouts.jl
+++ b/src/layouts.jl
@@ -704,7 +704,7 @@ function link_axes!(axes::Axis...)
     a1 = axes[1]
     for i=2:length(axes)
         a2 = axes[i]
-        expand_extrema!(a1, extrema(a2))
+        expand_extrema!(a1, _extrema(a2))
         for k in (:extrema, :discrete_values, :continuous_values, :discrete_map)
             a2[k] = a1[k]
         end
diff --git a/src/recipes.jl b/src/recipes.jl
index 4be5018f..e575b645 100644
--- a/src/recipes.jl
+++ b/src/recipes.jl
@@ -366,7 +366,7 @@ end
     end
 
     # widen limits out a bit
-    expand_extrema!(axis, widen(extrema(xseg.pts)...))
+    expand_extrema!(axis, widen(_extrema(xseg.pts)...))
 
     # switch back
     if !isvertical(d)
diff --git a/test/runtests.jl b/test/runtests.jl
index 8434a45f..6e4d3f98 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -83,7 +83,7 @@ facts("Axes") do
 
     Plots.discrete_value!(axis, ["x$i" for i=1:5])
     Plots.discrete_value!(axis, ["x$i" for i=0:2])
-    @fact Plots.extrema(axis) --> (0.5, 7.5)
+    @fact Plots._extrema(axis) --> (0.5, 7.5)
 end