Don't cache ConstraintFunction

Author: blegat

src/bridge.jl

@@ -17,7 +17,6 @@ If the expanded expression cannot be converted to `F`, an error is thrown.
 """
 struct FunctionGeneratorBridge{T,F,S} <: MOI.Bridges.Constraint.AbstractBridge
     constraints::Vector{MOI.ConstraintIndex{F,S}}
-    func::FunctionGenerator{F}
 end
 
 function MOI.Bridges.Constraint.bridge_constraint(
@@ -42,7 +41,7 @@ function MOI.Bridges.Constraint.bridge_constraint(
         )
         push!(constraints, ci)
     end
-    return FunctionGeneratorBridge{T,F,S}(constraints, func)
+    return FunctionGeneratorBridge{T,F,S}(constraints)
 end
 
 function MOI.supports_constraint(
@@ -88,14 +87,6 @@ function MOI.get(
     return copy(bridge.constraints)
 end
 
-function MOI.get(
-    ::MOI.ModelLike,
-    ::MOI.ConstraintFunction,
-    bridge::FunctionGeneratorBridge,
-)
-    return copy(bridge.func)
-end
-
 function MOI.get(
     ::MOI.ModelLike,
     ::MOI.ConstraintSet,

test/bridge.jl

@@ -80,6 +80,7 @@ function test_runtests_simple()
                 )
             end
         end,
+        cannot_unbridge = true,
     )
 end
 
@@ -122,6 +123,7 @@ function test_runtests_equality()
                 )
             end
         end,
+        cannot_unbridge = true,
     )
 end
 
@@ -187,6 +189,7 @@ function test_runtests_consecutive()
                 MOI.GreaterThan(2.0),
             )
         end,
+        cannot_unbridge = true,
     )
 end