From ab499882bf7e48b89a19773076372addd859fe51 Mon Sep 17 00:00:00 2001
From: Takafumi Arakaki <aka.tkf@gmail.com>
Date: Sun, 29 Jul 2018 00:44:07 -0700
Subject: [PATCH] Use "map"-filter to fix resolving_points

Assignment in generator comprehension was not working in Julia 0.6:
https://gist.github.com/tkf/ca556aa6fb83bb6a2d8c450571fed428/a2d527b24644eeedf0f0f3c8992e320ec8e19712
---
 src/codim1/resolve_point.jl | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/src/codim1/resolve_point.jl b/src/codim1/resolve_point.jl
index e004f3b..cb9e148 100644
--- a/src/codim1/resolve_point.jl
+++ b/src/codim1/resolve_point.jl
@@ -23,20 +23,17 @@ function resolving_points(
         warn_exceptions = (LinAlg.SingularException,),
         exception_handler = default_resolve_exception_handler(warn_exceptions),
         )
-    local point
-    return (
-        point for interval in special_points(solver, args...)
-        if try
-            point = resolve_point(interval, solver)
-            true
+    Iterators.filter(
+        point -> point !== nothing,
+        try
+            resolve_point(interval, solver)
         catch err
             # [[../continuations/branching.jl::SingularException]]
             if ! exception_handler(err, interval)
                 rethrow()
             end
-            false
-        end
-    )
+            nothing
+        end for interval in special_points(solver, args...))
 end
 
 resolved_points(solver::BifurcationSolver, args...; kwargs...) =