test nominal for struct

Author: baggepinnen

src/nominal.jl

@@ -35,4 +35,4 @@ Return the nominal value of `p` (assumes that `p` has bee endowed with a nominal
 """
 nominal(p::AbstractParticles) = p[1]
 nominal(p::MvParticles) = nominal.(p)
-nominal(P) = replace_particles(P, replacer=P->nominal(P))
+nominal(P) = replace_particles(P, replacer=nominal)

test/runtests.jl

@@ -787,7 +787,10 @@ Random.seed!(0)
         pn = with_nominal(p, n)
         @test nominal(pn) == getindex.(pn, 1) == n
         @test nominal(p) != n
-        
+
+        P = complex(1 ± 0.1, 2 ± 0.1)
+        @test nominal(P) == complex(real(P)[1], imag(P)[1])
+
     end
 
     include("test_unitful.jl")