Merge pull request #21 from JuliaStochOpt/bl/broadcastable

Defined broadcastable

Author: blegat

src/attributes.jl

@@ -24,6 +24,12 @@ attributes (properties) of transitions in the stochastic program.
 """
 abstract type AbstractTransitionAttribute end
 
+if VERSION >= v"0.7-"
+    Base.broadcastable(attr::Union{AbstractStochasticProgramAttribute,
+                                   AbstractNodeAttribute,
+                                   AbstractTransitionAttribute}) = Ref(attr)
+end
+
 """
     get(sp::AbstractStochasticProgram, attr::AbstractStochasticProgramAttribute)
 

src/stochprog.jl

@@ -8,6 +8,9 @@ using LightGraphs
 Stochastic program instance.
 """
 abstract type AbstractStochasticProgram <: LightGraphs.AbstractGraph{Int} end
+if VERSION >= v"0.7-"
+    Base.broadcastable(sp::AbstractStochasticProgram) = Ref(sp)
+end
 
 """
     stochasticprogram(args...)