From 6bb963f38f3679b9d9b080a6f986ef65e6f86e16 Mon Sep 17 00:00:00 2001
From: odow <o.dowson@gmail.com>
Date: Fri, 3 Sep 2021 13:16:08 +1200
Subject: [PATCH 1/2] [Bridges] maintenance of zero_one.jl

---
 src/Bridges/Constraint/zero_one.jl | 37 +++++-------------------------
 1 file changed, 6 insertions(+), 31 deletions(-)

diff --git a/src/Bridges/Constraint/zero_one.jl b/src/Bridges/Constraint/zero_one.jl
index 6bd4b731f5..36e47f4dbe 100644
--- a/src/Bridges/Constraint/zero_one.jl
+++ b/src/Bridges/Constraint/zero_one.jl
@@ -22,14 +22,16 @@ function bridge_constraint(
     return ZeroOneBridge{T}(interval_index, integer_index)
 end
 
-function MOIB.added_constraint_types(::Type{<:ZeroOneBridge{T}}) where {T}
+function MOI.Bridges.added_constraint_types(
+    ::Type{<:ZeroOneBridge{T}}
+) where {T}
     return Tuple{Type,Type}[
         (MOI.VariableIndex, MOI.Interval{T}),
         (MOI.VariableIndex, MOI.Integer),
     ]
 end
 
-function MOIB.added_constrained_variable_types(::Type{<:ZeroOneBridge})
+function MOI.Bridges.added_constrained_variable_types(::Type{<:ZeroOneBridge})
     return Tuple{Type}[]
 end
 
@@ -49,14 +51,7 @@ function MOI.supports_constraint(
     return true
 end
 
-# Attributes, Bridge acting as a constraint
-function MOI.get(
-    model::MOI.ModelLike,
-    attr::MOI.ConstraintSet,
-    bridge::ZeroOneBridge,
-)
-    return MOI.ZeroOne()
-end
+MOI.get(::MOI.ModelLike, ::MOI.ConstraintSet, ::ZeroOneBridge) = MOI.ZeroOne()
 
 function MOI.get(
     model::MOI.ModelLike,
@@ -74,32 +69,12 @@ end
 
 function MOI.get(
     model::MOI.ModelLike,
-    attr::Union{MOI.ConstraintPrimal,MOI.ConstraintPrimalStart},
+    attr::Union{MOI.ConstraintPrimal},
     bridge::ZeroOneBridge,
 )
     return MOI.get(model, attr, bridge.interval_index)
 end
 
-function MOI.supports(
-    ::MOI.ModelLike,
-    ::MOI.ConstraintPrimalStart,
-    ::Type{<:ZeroOneBridge},
-)
-    return true
-end
-
-function MOI.set(
-    model::MOI.ModelLike,
-    attr::MOI.ConstraintPrimalStart,
-    bridge::ZeroOneBridge{T},
-    value,
-) where {T}
-    MOI.set(model, attr, bridge.integer_index, value)
-    MOI.set(model, attr, bridge.interval_index, value)
-    return
-end
-
-# Attributes, Bridge acting as a model
 function MOI.get(
     ::ZeroOneBridge{T},
     ::MOI.NumberOfConstraints{MOI.VariableIndex,MOI.Interval{T}},

From 599d8863f03a67c7b456ea2b457050af1cfe1455 Mon Sep 17 00:00:00 2001
From: odow <o.dowson@gmail.com>
Date: Fri, 3 Sep 2021 14:38:33 +1200
Subject: [PATCH 2/2] Fixes

---
 src/Bridges/Constraint/zero_one.jl  | 2 +-
 test/Bridges/Constraint/zero_one.jl | 8 --------
 2 files changed, 1 insertion(+), 9 deletions(-)

diff --git a/src/Bridges/Constraint/zero_one.jl b/src/Bridges/Constraint/zero_one.jl
index 36e47f4dbe..e7b32b2f3d 100644
--- a/src/Bridges/Constraint/zero_one.jl
+++ b/src/Bridges/Constraint/zero_one.jl
@@ -23,7 +23,7 @@ function bridge_constraint(
 end
 
 function MOI.Bridges.added_constraint_types(
-    ::Type{<:ZeroOneBridge{T}}
+    ::Type{<:ZeroOneBridge{T}},
 ) where {T}
     return Tuple{Type,Type}[
         (MOI.VariableIndex, MOI.Interval{T}),
diff --git a/test/Bridges/Constraint/zero_one.jl b/test/Bridges/Constraint/zero_one.jl
index b09ef87e92..cbe70d8154 100644
--- a/test/Bridges/Constraint/zero_one.jl
+++ b/test/Bridges/Constraint/zero_one.jl
@@ -32,8 +32,6 @@ function test_ZeroOne()
         MOI.VariableIndex,
         MOI.ZeroOne,
     ) == bridge_type
-
-    @test MOI.supports(bridged_mock, MOI.ConstraintPrimalStart(), bridge_type)
     MOI.Test.test_basic_VariableIndex_ZeroOne(bridged_mock, config)
     MOI.empty!(bridged_mock)
     MOI.Utilities.set_mock_optimize!(
@@ -81,12 +79,6 @@ function test_ZeroOne()
             MOI.ListOfConstraintIndices{MOI.VariableIndex,MOI.ZeroOne}(),
         ),
     )
-    for attr in [MOI.ConstraintPrimalStart()]
-        @test MOI.supports(bridged_mock, attr, typeof(ci))
-        value = 1.0
-        MOI.set(bridged_mock, attr, ci, value)
-        @test MOI.get(bridged_mock, attr, ci) ≈ value
-    end
     s = """
     variables: x, y
     y == 1.0