diff --git a/ext/CTModelsJSON.jl b/ext/CTModelsJSON.jl
index b4f7cbaa..14e64aa3 100644
--- a/ext/CTModelsJSON.jl
+++ b/ext/CTModelsJSON.jl
@@ -30,7 +30,9 @@ const _OPTIONAL_MATRIX_FIELDS = [
 ]
 
 "Switching limits (present when the solution holds a switching structure), converted like the other matrices."
-const _SWITCHING_MATRIX_FIELDS = [first(k) for k in CTModels.Solutions._SWITCHING_LIMIT_KEYS]
+const _SWITCHING_MATRIX_FIELDS = [
+    first(k) for k in CTModels.Solutions._SWITCHING_LIMIT_KEYS
+]
 
 """
 Convert Matrix fields to Vector{Vector} for JSON export.
diff --git a/src/PlotCase/build.jl b/src/PlotCase/build.jl
index 7ef4e66b..3a05b121 100644
--- a/src/PlotCase/build.jl
+++ b/src/PlotCase/build.jl
@@ -38,7 +38,8 @@ function _phase_label_group(
 )::Symbol
     phase_labels === :all && return :all
     control && return :control
-    for (group, drawn) in ((:state, state), (:costate, costate), (:path, path), (:dual, dual))
+    for (group, drawn) in
+        ((:state, state), (:costate, costate), (:path, path), (:dual, dual))
         drawn && return group
     end
     return :none
@@ -117,7 +118,8 @@ function _build_root(
         path=do_path,
         dual=do_dual,
     )
-    _texts(group) = (label_group === :all || label_group === group) ? texts : Plotting.Annotation[]
+    _texts(group) =
+        (label_group === :all || label_group === group) ? texts : Plotting.Annotation[]
     ncomp(p) = size(p.data, 2)
     L(p; hlines=Vector{Plotting.HLine}[], group::Symbol=:none) = Plotting.lower(
         p;
@@ -132,19 +134,26 @@ function _build_root(
     if layout === :group
         # No bounds lines in :group (historical); only the time markers, via `vlines`.
         cells = Plotting.AbstractLayoutNode[]
-        do_state && push!(cells, L(_state_panel(sol, state_style; connect=connect); group=:state))
+        do_state &&
+            push!(cells, L(_state_panel(sol, state_style; connect=connect); group=:state))
         do_costate && push!(
             cells,
             L(
                 _costate_panel(
-                    sol, costate_style; layout=layout, state_shown=do_state, connect=connect
+                    sol,
+                    costate_style;
+                    layout=layout,
+                    state_shown=do_state,
+                    connect=connect,
                 );
                 group=:costate,
             ),
         )
         if do_control
             # with `control=:all`, the labels go to the first control cell only
-            for (k, cp) in enumerate(_control_panels(sol, control, control_style, layout; connect=connect))
+            for (k, cp) in enumerate(
+                _control_panels(sol, control, control_style, layout; connect=connect)
+            )
                 push!(cells, L(cp; group=(k == 1 ? :control : :none)))
             end
         end
@@ -166,7 +175,11 @@ function _build_root(
         costate_col = if do_costate
             L(
                 _costate_panel(
-                    sol, costate_style; layout=layout, state_shown=do_state, connect=connect
+                    sol,
+                    costate_style;
+                    layout=layout,
+                    state_shown=do_state,
+                    connect=connect,
                 );
                 group=:costate,
             )
diff --git a/src/PlotCase/decorations.jl b/src/PlotCase/decorations.jl
index 2553a24b..a9e5a170 100644
--- a/src/PlotCase/decorations.jl
+++ b/src/PlotCase/decorations.jl
@@ -112,7 +112,10 @@ solution has no switching time.
 """
 function _switching_vlines(sol, time::Symbol, style::NamedTuple)
     return Plotting.switching_vlines(
-        CTModels.time_grid(sol, :state), CTModels.switching_times(sol); time=time, style=style
+        CTModels.time_grid(sol, :state),
+        CTModels.switching_times(sol);
+        time=time,
+        style=style,
     )
 end
 
diff --git a/src/Solutions/build_solution.jl b/src/Solutions/build_solution.jl
index 475db59a..c0be94aa 100644
--- a/src/Solutions/build_solution.jl
+++ b/src/Solutions/build_solution.jl
@@ -585,7 +585,7 @@ Throw the error of a time grid with a repeated time.
 - [`CTBase.Exceptions.IncorrectArgument`](@extref): always.
 """
 function _throw_repeated_time(t::Float64, component_name::String)
-    throw(
+    return throw(
         Exceptions.IncorrectArgument(
             "repeated time in the $component_name time grid";
             got="time $t appears more than once",
diff --git a/src/Solutions/interpolation_helpers.jl b/src/Solutions/interpolation_helpers.jl
index 444ba3f1..e5856433 100644
--- a/src/Solutions/interpolation_helpers.jl
+++ b/src/Solutions/interpolation_helpers.jl
@@ -241,11 +241,7 @@ function build_interpolated_function(
     if !isnothing(jumps) && data isa AbstractMatrix
         sw, component = jumps
         func = _with_jumps(
-            func,
-            T[1:size(data, 1)],
-            sw,
-            component;
-            constant=(interpolation === :constant),
+            func, T[1:size(data, 1)], sw, component; constant=(interpolation === :constant)
         )
     end
 
diff --git a/src/Solutions/switching_model.jl b/src/Solutions/switching_model.jl
index 0e337bde..f38f768a 100644
--- a/src/Solutions/switching_model.jl
+++ b/src/Solutions/switching_model.jl
@@ -95,12 +95,8 @@ function SwitchingModel(;
     times::AbstractVector{<:Real},
     labels::AbstractVector{<:AbstractString}=fill("", length(times) + 1),
     state::Tuple{AbstractMatrix{<:Real},AbstractMatrix{<:Real}}=_no_limits(length(times)),
-    costate::Tuple{AbstractMatrix{<:Real},AbstractMatrix{<:Real}}=_no_limits(
-        length(times)
-    ),
-    control::Tuple{AbstractMatrix{<:Real},AbstractMatrix{<:Real}}=_no_limits(
-        length(times)
-    ),
+    costate::Tuple{AbstractMatrix{<:Real},AbstractMatrix{<:Real}}=_no_limits(length(times)),
+    control::Tuple{AbstractMatrix{<:Real},AbstractMatrix{<:Real}}=_no_limits(length(times)),
 )
     ts = collect(Float64, times)
     all(isfinite, ts) || throw(
@@ -371,7 +367,11 @@ function _limit(sol::Solution, component::Symbol, i::Integer, side::Int)
         Exceptions.IncorrectArgument(
             "no switching time with this index";
             got="i = $i",
-            expected=n == 0 ? "no index: the solution has no switching time" : "1 ≤ i ≤ $n",
+            expected=if n == 0
+                "no index: the solution has no switching time"
+            else
+                "1 ≤ i ≤ $n"
+            end,
             suggestion="Use an index of switching_times(sol)",
             context=(side == 1 ? "left_limit" : "right_limit"),
         ),
@@ -463,7 +463,11 @@ Wrap the interpolant `base` of sampled data on `grid` so that it keeps the jumps
 switching time, or no limit of `component`.
 """
 function _with_jumps(
-    base, grid::Vector{Float64}, sw::AbstractSwitchingModel, component::Symbol; constant=false
+    base,
+    grid::Vector{Float64},
+    sw::AbstractSwitchingModel,
+    component::Symbol;
+    constant=false,
 )
     has_switching(sw) || return base
     left, right = limits(sw, component)
@@ -493,7 +497,9 @@ Return the components whose limits a switching model stores, e.g. `"state, costa
 `"none"`.
 """
 function _stored_limits(m::SwitchingModel)::String
-    stored = [String(c) for c in (:state, :costate, :control) if size(limits(m, c)[1], 2) > 0]
+    stored = [
+        String(c) for c in (:state, :costate, :control) if size(limits(m, c)[1], 2) > 0
+    ]
     return isempty(stored) ? "none" : join(stored, ", ")
 end
 
@@ -516,7 +522,13 @@ phase label.
 function Base.show(io::IO, ::MIME"text/plain", ::EmptySwitchingModel)
     fmt = CTBase.Core.get_format_codes(io)
     return print(
-        io, fmt.name, "EmptySwitchingModel", fmt.reset, fmt.muted, "  (no switching)", fmt.reset
+        io,
+        fmt.name,
+        "EmptySwitchingModel",
+        fmt.reset,
+        fmt.muted,
+        "  (no switching)",
+        fmt.reset,
     )
 end
 
@@ -531,7 +543,9 @@ function Base.show(io::IO, m::SwitchingModel)
     print(io, fmt.name, "SwitchingModel", fmt.reset, "(")
     print(io, fmt.label, "times=", fmt.reset, fmt.value, m.times, fmt.reset)
     if any(!isempty, m.labels)
-        print(io, ", ", fmt.label, "phases=", fmt.reset, fmt.value, _phase_sequence(m.labels))
+        print(
+            io, ", ", fmt.label, "phases=", fmt.reset, fmt.value, _phase_sequence(m.labels)
+        )
         print(io, fmt.reset)
     end
     return print(io, ")")
diff --git a/test/suite/extensions/test_plot_switching_render.jl b/test/suite/extensions/test_plot_switching_render.jl
index 6411df8a..04a94a03 100644
--- a/test/suite/extensions/test_plot_switching_render.jl
+++ b/test/suite/extensions/test_plot_switching_render.jl
@@ -25,7 +25,7 @@ function _sol()
     Building.time!(pre; t0=0.0, tf=1.0)
     Building.state!(pre, 1)
     Building.control!(pre, 1)
-    Building.dynamics!(pre, (r, t, x, u, v) -> (r[1] = u; nothing))
+    Building.dynamics!(pre, (r, t, x, u, v) -> (r[1]=u; nothing))
     Building.objective!(pre, :min; lagrange=(t, x, u, v) -> 0.5 * u^2)
     ocp = Building.build(pre)
     T = collect(range(0.0, 1.0; length=11))
@@ -70,8 +70,7 @@ function test_plot_switching_render()
             # the phase labels are on the control cell only
             Test.@test length(plt.subplots[3][:annotations]) == 2
             Test.@test isempty(plt.subplots[1][:annotations])
-            Test.@test sort([a[3].str for a in plt.subplots[3][:annotations]]) ==
-                ["bang+", "bang-"]
+            Test.@test sort([a[3].str for a in plt.subplots[3][:annotations]]) == ["bang+", "bang-"]
             # no labels, no switching lines: still renders
             Test.@test Plots.plot(sol; phase_labels=:none, switching_style=:none) isa
                 Plots.Plot
@@ -82,7 +81,8 @@ function test_plot_switching_render()
             ys = br.subplots[1].series_list[1][:y]
             Test.@test count(isnan, ys) == 1
             # one color per trajectory: one series for the whole state component
-            Test.@test count(s -> s[:seriestype] === :path, plt.subplots[1].series_list) == 1
+            Test.@test count(s -> s[:seriestype] === :path, plt.subplots[1].series_list) ==
+                1
         end
 
         Test.@testset "Makie" begin
diff --git a/test/suite/meta/test_no_import.jl b/test/suite/meta/test_no_import.jl
index 26cb5172..02a2830a 100644
--- a/test/suite/meta/test_no_import.jl
+++ b/test/suite/meta/test_no_import.jl
@@ -47,8 +47,7 @@ function test_no_import()
                 end
                 if check_dotted && occursin(DOTTED_USING_RE, line)
                     push!(
-                        violations,
-                        "$relpath:$line_number: dotted `using`: $(strip(line))",
+                        violations, "$relpath:$line_number: dotted `using`: $(strip(line))"
                     )
                 end
             end
diff --git a/test/suite/plotting/test_plot_switching.jl b/test/suite/plotting/test_plot_switching.jl
index 2b73da6d..5090021c 100644
--- a/test/suite/plotting/test_plot_switching.jl
+++ b/test/suite/plotting/test_plot_switching.jl
@@ -23,10 +23,15 @@ function _ocp()
     Building.time!(pre; t0=0.0, tf=2.0)
     Building.state!(pre, 1)
     Building.control!(pre, 1)
-    Building.dynamics!(pre, (r, t, x, u, v) -> (r[1] = u; nothing))
+    Building.dynamics!(pre, (r, t, x, u, v) -> (r[1]=u; nothing))
     Building.objective!(pre, :min; lagrange=(t, x, u, v) -> 0.5 * u^2)
     Building.constraint!(
-        pre, :path; f=(r, t, x, u, v) -> (r[1] = x + u; nothing), lb=[-10.0], ub=[10.0], label=:g
+        pre,
+        :path;
+        f=(r, t, x, u, v) -> (r[1]=x + u; nothing),
+        lb=[-10.0],
+        ub=[10.0],
+        label=:g,
     )
     return Building.build(pre)
 end
@@ -66,11 +71,13 @@ _leaves(fig) = Plotting.leaves(fig.root)
 _leaf(fig, title) = only(l for l in _leaves(fig) if l.axes.title == title)
 _series(fig, title) = _leaf(fig, title).axes.series[1]
 _decos(fig, title, D) = filter(d -> d isa D, _leaf(fig, title).axes.decorations)
-_texts(fig) = reduce(
-    vcat,
-    (filter(d -> d isa Plotting.Annotation, l.axes.decorations) for l in _leaves(fig));
-    init=Plotting.Annotation[],
-)
+function _texts(fig)
+    return reduce(
+        vcat,
+        (filter(d -> d isa Plotting.Annotation, l.axes.decorations) for l in _leaves(fig));
+        init=Plotting.Annotation[],
+    )
+end
 
 function test_plot_switching()
     Test.@testset "PlotCase: switching structure" verbose=VERBOSE showtiming=SHOWTIMING begin
@@ -81,7 +88,9 @@ function test_plot_switching()
 
         Test.@testset "_spliced_samples: insertion of the limits" begin
             sol = _sol()
-            Ts, M = CTModels.PlotCase._spliced_samples(sol, T, reshape(_x.(T), :, 1), :state)
+            Ts, M = CTModels.PlotCase._spliced_samples(
+                sol, T, reshape(_x.(T), :, 1), :state
+            )
             # τ is in the grid: its sample is replaced by (τ, left), (τ, right)
             Test.@test count(==(τ), Ts) == 2
             Test.@test length(Ts) == length(T) + 1
@@ -91,18 +100,24 @@ function test_plot_switching()
             Test.@test issorted(Ts)
             # τ not in the samples: inserted at its place
             Tn = [0.0, 0.5, 1.5, 2.0]
-            Ts2, M2 = CTModels.PlotCase._spliced_samples(sol, Tn, reshape(_x.(Tn), :, 1), :state)
+            Ts2, M2 = CTModels.PlotCase._spliced_samples(
+                sol, Tn, reshape(_x.(Tn), :, 1), :state
+            )
             Test.@test Ts2 == [0.0, 0.5, τ, τ, 1.5, 2.0]
             Test.@test M2[:, 1] ≈ [0.0, 0.5, τ, τ + 1.0, 2.5, 3.0]
             # τ after the last sample
-            Ts3, _ = CTModels.PlotCase._spliced_samples(sol, [0.0, 0.5], zeros(2, 1), :state)
+            Ts3, _ = CTModels.PlotCase._spliced_samples(
+                sol, [0.0, 0.5], zeros(2, 1), :state
+            )
             Test.@test Ts3 == [0.0, 0.5, τ, τ]
             # unchanged when no switching time, or limits not known
             plain = _sol(; switching=Solutions.EmptySwitchingModel())
             Test.@test CTModels.PlotCase._spliced_samples(plain, T, zeros(11, 1), :state) ==
                 (T, zeros(11, 1))
             nolim = _sol(; switching=_sw(; limits=false))
-            Test.@test CTModels.PlotCase._spliced_samples(nolim, T, zeros(11, 1), :state)[1] == T
+            Test.@test CTModels.PlotCase._spliced_samples(
+                nolim, T, zeros(11, 1), :state
+            )[1] == T
             # samples with other components than the limits: an error
             Test.@test_throws Exceptions.IncorrectArgument CTModels.PlotCase._spliced_samples(
                 sol, T, zeros(11, 2), :state
@@ -153,7 +168,9 @@ function test_plot_switching()
             Test.@test s.y[k] ≈ τ + 1.0             # x⁻ + u⁻
             Test.@test s.y[k + 1] ≈ (τ + 1.0) - 1.0 # x⁺ + u⁺
             # limits not known: plain samples
-            fig2 = CTModels.PlotCase.build_figure(_sol(; switching=_sw(; limits=false)), :path)
+            fig2 = CTModels.PlotCase.build_figure(
+                _sol(; switching=_sw(; limits=false)), :path
+            )
             Test.@test count(==(τ), _series(fig2, "path constraints").x) == 1
         end
 
@@ -168,16 +185,23 @@ function test_plot_switching()
                 Test.@test isnan(s.y[k + 1])                    # no vertical segment
                 Test.@test s.y[k + 2] ≈ right
             end
-            p = _series(CTModels.PlotCase.build_figure(_sol(), :path; jumps=:none), "path constraints")
+            p = _series(
+                CTModels.PlotCase.build_figure(_sol(), :path; jumps=:none),
+                "path constraints",
+            )
             k = findfirst(==(τ), p.x)
             Test.@test isnan(p.y[k + 1])
             Test.@test (p.y[k], p.y[k + 2]) == (τ + 1.0, (τ + 1.0) - 1.0)
             # default: the vertical segment, no NaN
-            Test.@test !any(isnan, _series(CTModels.PlotCase.build_figure(_sol()), "state").y)
+            Test.@test !any(
+                isnan, _series(CTModels.PlotCase.build_figure(_sol()), "state").y
+            )
         end
 
         Test.@testset "no switching structure: unchanged panels" begin
-            fig = CTModels.PlotCase.build_figure(_sol(; switching=Solutions.EmptySwitchingModel()))
+            fig = CTModels.PlotCase.build_figure(
+                _sol(; switching=Solutions.EmptySwitchingModel())
+            )
             Test.@test _series(fig, "state").x == T
             Test.@test isempty(_texts(fig))
             Test.@test length(_decos(fig, "state", Plotting.VLine)) == 2   # t0 and tf only
@@ -215,8 +239,7 @@ function test_plot_switching()
 
         Test.@testset "switching lines and labels under time normalisation" begin
             fig = CTModels.PlotCase.build_figure(_sol(); time=:normalize)
-            Test.@test [d.value for d in _decos(fig, "state", Plotting.VLine)] ==
-                [0.0, 1.0, 0.5]
+            Test.@test [d.value for d in _decos(fig, "state", Plotting.VLine)] == [0.0, 1.0, 0.5]
             Test.@test [a.x for a in _texts(fig)] ≈ [0.25, 0.75]
         end
 
@@ -238,7 +261,9 @@ function test_plot_switching()
             Test.@test length(_decos(fig, "state", Plotting.Annotation)) == 2
             Test.@test length(_decos(fig, "costate", Plotting.Annotation)) == 2
             Test.@test length(_decos(fig, "control", Plotting.Annotation)) == 2
-            Test.@test isempty(_texts(CTModels.PlotCase.build_figure(_sol(); phase_labels=:none)))
+            Test.@test isempty(
+                _texts(CTModels.PlotCase.build_figure(_sol(); phase_labels=:none))
+            )
             st = CTModels.PlotCase.build_figure(
                 _sol(); phase_labels_style=(color=:red, fontsize=14)
             )
diff --git a/test/suite/serialization/test_json_format.jl b/test/suite/serialization/test_json_format.jl
index 71f946ec..a4bbb07c 100644
--- a/test/suite/serialization/test_json_format.jl
+++ b/test/suite/serialization/test_json_format.jl
@@ -143,7 +143,9 @@ function test_json_format()
                 Test.@test sprint(show, Serialization.JSONTag()) == "JSONTag()"
                 ocp, sol = _small_solution()
                 path = joinpath(dir, "tag")
-                Serialization.export_ocp_solution(Serialization.JSONTag(), sol; filename=path)
+                Serialization.export_ocp_solution(
+                    Serialization.JSONTag(), sol; filename=path
+                )
                 back = Serialization.import_ocp_solution(
                     Serialization.JSONTag(), ocp; filename=path
                 )
diff --git a/test/suite/serialization/test_optional_fields.jl b/test/suite/serialization/test_optional_fields.jl
index 9d00b2d5..007bbe8c 100644
--- a/test/suite/serialization/test_optional_fields.jl
+++ b/test/suite/serialization/test_optional_fields.jl
@@ -22,7 +22,7 @@ function _ocp()
     Building.time!(pre; t0=0.0, tf=1.0)
     Building.state!(pre, 1)
     Building.control!(pre, 1)
-    Building.dynamics!(pre, (r, t, x, u, v) -> (r[1] = u; nothing))
+    Building.dynamics!(pre, (r, t, x, u, v) -> (r[1]=u; nothing))
     Building.objective!(pre, :min; lagrange=(t, x, u, v) -> 0.5 * u^2)
     return Building.build(pre)
 end
@@ -35,8 +35,15 @@ function _solution(ocp; set::Bool)
         (;)
     end
     return Solutions.build_solution(
-        ocp, T, t -> [t], t -> [1.0], Float64[], t -> [0.0];
-        objective=0.5, successful=true, extra...,
+        ocp,
+        T,
+        t -> [t],
+        t -> [1.0],
+        Float64[],
+        t -> [0.0];
+        objective=0.5,
+        successful=true,
+        extra...,
     )
 end
 
diff --git a/test/suite/serialization/test_switching_serialization.jl b/test/suite/serialization/test_switching_serialization.jl
index 7ac9d6e8..c4f77653 100644
--- a/test/suite/serialization/test_switching_serialization.jl
+++ b/test/suite/serialization/test_switching_serialization.jl
@@ -19,15 +19,29 @@ function _ocp()
     Building.time!(pre; t0=0.0, tf=1.0)
     Building.state!(pre, 2)
     Building.control!(pre, 1)
-    Building.dynamics!(pre, (r, t, x, u, v) -> (r[1] = x[2]; r[2] = u; nothing))
+    Building.dynamics!(pre, (r, t, x, u, v) -> (r[1]=x[2]; r[2]=u; nothing))
     Building.objective!(pre, :min; lagrange=(t, x, u, v) -> 0.5 * u^2)
     return Building.build(pre)
 end
 
 const τ1, τ2 = 0.3, 0.7
-_x(t) = t <= τ1 ? [t, 1.0] : t <= τ2 ? [t + 1.0, 1.0] : [t + 1.0, 3.0]
+_x(t) =
+    if t <= τ1
+        [t, 1.0]
+    elseif t <= τ2
+        [t + 1.0, 1.0]
+    else
+        [t + 1.0, 3.0]
+    end
 _p(t) = t <= τ2 ? [0.0, 0.0] : [1.0, -1.0]
-_u(t) = t <= τ1 ? 1.0 : t <= τ2 ? 0.0 : -1.0
+_u(t) =
+    if t <= τ1
+        1.0
+    elseif t <= τ2
+        0.0
+    else
+        -1.0
+    end
 
 function _sw()
     return Solutions.SwitchingModel(;
@@ -131,7 +145,9 @@ function test_switching_serialization()
                     back = Serialization.import_ocp_solution(ocp; filename=f, format=fmt)
                     Test.@test CTModels.switching_times(back) == [τ1]
                     Test.@test CTModels.phase_labels(back) == ["a", "b"]
-                    Test.@test size(Solutions.limits(Solutions.switching_model(back), :state)[1], 2) == 0
+                    Test.@test size(
+                        Solutions.limits(Solutions.switching_model(back), :state)[1], 2
+                    ) == 0
                 end
             end
 
diff --git a/test/suite/solutions/test_switching.jl b/test/suite/solutions/test_switching.jl
index 699caccf..fc16a3ea 100644
--- a/test/suite/solutions/test_switching.jl
+++ b/test/suite/solutions/test_switching.jl
@@ -20,7 +20,7 @@ function _ocp_1d()
     Building.time!(pre; t0=0.0, tf=1.0)
     Building.state!(pre, 1)
     Building.control!(pre, 1)
-    Building.dynamics!(pre, (r, t, x, u, v) -> (r[1] = u; nothing))
+    Building.dynamics!(pre, (r, t, x, u, v) -> (r[1]=u; nothing))
     Building.objective!(pre, :min; lagrange=(t, x, u, v) -> 0.5 * u^2)
     return Building.build(pre)
 end
@@ -32,7 +32,7 @@ function _ocp_2d()
     Building.time!(pre; t0=0.0, tf=1.0)
     Building.state!(pre, 2)
     Building.control!(pre, 1)
-    Building.dynamics!(pre, (r, t, x, u, v) -> (r[1] = x[2]; r[2] = u; nothing))
+    Building.dynamics!(pre, (r, t, x, u, v) -> (r[1]=x[2]; r[2]=u; nothing))
     Building.objective!(pre, :min; lagrange=(t, x, u, v) -> 0.5 * u^2)
     return Building.build(pre)
 end
@@ -95,9 +95,7 @@ function test_switching()
             Test.@test size(Solutions.limits(d, :state)[1]) == (2, 0)
             # conversions: Int times, SubString labels, Int matrices
             c = Solutions.SwitchingModel(;
-                times=[1],
-                labels=[SubString("ab", 1, 1), "b"],
-                state=([1;;], [2;;]),
+                times=[1], labels=[SubString("ab", 1, 1), "b"], state=([1;;], [2;;])
             )
             Test.@test Solutions.switching_times(c) == [1.0]
             Test.@test Solutions.phase_labels(c) == ["a", "b"]
@@ -127,7 +125,8 @@ function test_switching()
             Test.@test occursin("Switching times : [0.5]", plain)
             Test.@test occursin("Phases : bang+ → bang-", plain)
             Test.@test occursin("Limits : state, costate, control", plain)
-            Test.@test sprint(show, sw) == "SwitchingModel(times=[0.5], phases=bang+ → bang-)"
+            Test.@test sprint(show, sw) ==
+                "SwitchingModel(times=[0.5], phases=bang+ → bang-)"
             # labels only, limits not stored; an unlabelled phase shows as ·
             m = Solutions.SwitchingModel(; times=[0.2, 0.6], labels=["a", "", "c"])
             Test.@test occursin("Phases : a → · → c", sprint(show, MIME"text/plain"(), m))