Remove hasmissing as well

Author: penelopeysm

src/compiler.jl

@@ -583,12 +583,6 @@ function add_return_to_last_statment(body::Expr)
     return Expr(body.head, new_args...)
 end
 
-const FloatOrArrayType = Type{<:Union{AbstractFloat,AbstractArray}}
-hasmissing(::Type) = false
-hasmissing(::Type{>:Missing}) = true
-hasmissing(::Type{<:AbstractArray{TA}}) where {TA} = hasmissing(TA)
-hasmissing(::Type{Union{}}) = false # issue #368
-
 """
     TypeWrap{T}
 

test/compiler.jl

@@ -666,20 +666,6 @@ module Issue537 end
         @test demo_ret_with_ret()() === Val(1)
     end
 
-    @testset "issue #368: hasmissing dispatch" begin
-        @test !DynamicPPL.hasmissing(typeof(Union{}[]))
-
-        # (nested) arrays with `Missing` eltypes
-        @test DynamicPPL.hasmissing(Vector{Union{Missing,Float64}})
-        @test DynamicPPL.hasmissing(Matrix{Union{Missing,Real}})
-        @test DynamicPPL.hasmissing(Vector{Matrix{Union{Missing,Float32}}})
-
-        # no `Missing`
-        @test !DynamicPPL.hasmissing(Vector{Float64})
-        @test !DynamicPPL.hasmissing(Matrix{Real})
-        @test !DynamicPPL.hasmissing(Vector{Matrix{Float32}})
-    end
-
     @testset "issue #393: anonymous argument with type parameter" begin
         @model f_393(::Val{ispredict}=Val(false)) where {ispredict} = ispredict ? 0 : 1
         @test f_393()() == 1