tweak exports

Author: daanhb

src/FunctionMaps.jl

@@ -27,13 +27,16 @@ export canonicalmap
 # from generic/composite.jl
 export composedmap
 # from generic/product.jl
-export productmap
+export ProductMap, productmap
 
 # from concrete/basic.jl
 export IdentityMap,
-    StaticIdentityMap, VectorIdentityMap,
-    ZeroMap, UnityMap, ConstantMap,
-    isconstantmap, mapconstant
+    ZeroMap,
+    UnityMap,
+    ConstantMap,
+    isconstantmap,
+    mapconstant,
+    isidentitymap
 # from concrete/affine
 export AffineMap, Translation, LinearMap,
     affinematrix, affinevector,

src/concrete/basic.jl

@@ -20,8 +20,8 @@ inverse(m::IdentityMap, x) = x
 islinearmap(::IdentityMap) = true
 isrealmap(::IdentityMap{T}) where {T} = isrealtype(T)
 
+isidentitymap(m) = false
 isidentitymap(::IdentityMap) = true
-isidentitymap(m::Map{T}) where {T} = m == StaticIdentityMap{T}()
 
 mapsize(m::IdentityMap{T}) where {T<:Number} = ()
 mapsize(m::IdentityMap{T}) where {T} = (euclideandimension(T),euclideandimension(T))