add a few missing methods for a patch

Project.toml

@@ -1,7 +1,7 @@
 name = "ModelingToolkit"
 uuid = "961ee093-0014-501f-94e3-6117800e7a78"
 authors = ["Chris Rackauckas <[email protected]>"]
-version = "1.1.1"
+version = "1.1.2"
 
 [deps]
 DiffEqBase = "2b5f629d-d688-5b77-993f-72d75c75574e"

src/operations.jl

@@ -57,6 +57,7 @@ Base.isequal(::Constant , ::Operation) = false
 Base.show(io::IO, O::Operation) = print(io, convert(Expr, O))
 
 # For inv
+Base.convert(::Type{Operation}, x::Bool) = Operation(identity, Expression[Constant(x)])
 Base.convert(::Type{Operation}, x::Number) = Operation(identity, Expression[Constant(x)])
 Base.convert(::Type{Operation}, x::Operation) = x
 Base.convert(::Type{Operation}, x::Expression) = Operation(identity, Expression[x])

src/systems/diffeqs/diffeqsystem.jl

@@ -217,7 +217,7 @@ Create an `ODEFunction` from the [`ODESystem`](@ref). The arguments `dvs` and `p
 are used to set the order of the dependent variable and parameter vectors,
 respectively.
 """
-function DiffEqBase.ODEFunction{iip}(sys::ODESystem, dvs, ps;
+function DiffEqBase.ODEFunction{iip}(sys::ODESystem, dvs = sys.dvs, ps = sys.ps;
                                      version = nothing,
                                      jac = false, Wfact = false) where {iip}
     f_oop,f_iip = generate_function(sys, dvs, ps, Val{false})

src/utils.jl

@@ -12,6 +12,8 @@ function Base.convert(::Type{Expression}, ex::Expr)
 end
 Base.convert(::Type{Expression}, x::Expression) = x
 Base.convert(::Type{Expression}, x::Number) = Constant(x)
+Base.convert(::Type{Expression}, x::Bool) = Constant(x)
+Expression(x::Bool) = Constant(x)
 
 function build_expr(head::Symbol, args)
     ex = Expr(head)