Adds preserve to signal created by manipulate

Stops issues with manipulate signals being garbage collected when they go out of scope. Fixes JuliaGizmos#115
JobJob · Nov 9, 2016 · e1259f1 · e1259f1
1 parent 522151c
commit e1259f1
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/manipulate.jl b/src/manipulate.jl
@@ -16,7 +16,7 @@ end
 function map_block(block, symbols)
     lambda = Expr(:(->), Expr(:tuple, symbols...),
                   block)
-    :(map($lambda, $(map(s->:(signal($s)), symbols)...), typ=Any))
+    :(preserve(map($lambda, $(map(s->:(signal($s)), symbols)...), typ=Any)))
 end
 
 function symbols(bindings)