Merge pull request #52 from oxinabox/ox/rname

Add rename

Author: mcabbott

Project.toml

@@ -1,7 +1,7 @@
 name = "AxisKeys"
 uuid = "94b1ba4f-4ee9-5380-92f1-94cde586c3c5"
 license = "MIT"
-version = "0.1.12"
+version = "0.1.13"
 
 [deps]
 AbstractFFTs = "621f4979-c628-5d54-868e-fcf4e3e8185c"

src/AxisKeys.jl

@@ -6,7 +6,8 @@ export KeyedArray, axiskeys
 include("lookup.jl")
 
 include("names.jl")
-export NamedDimsArray, dimnames, named_axiskeys
+export named_axiskeys
+export NamedDimsArray, dimnames, rename  # Reexport key NamedDimsArrays things
 
 include("wrap.jl")
 export wrapdims

src/names.jl

@@ -18,6 +18,8 @@ NamedDims.dim(A::KaNda{L}, name) where {L} = NamedDims.dim(L, name)
 Base.axes(A::KaNda{L}, s::Symbol) where {L} = axes(A, NamedDims.dim(L,s))
 Base.size(A::KaNda{L,T,N}, s::Symbol) where {T,N,L} = size(A, NamedDims.dim(L,s))
 
+NamedDims.rename(A::KaNda, names...) = KeyedArray(rename(parent(A), names...), axiskeys(A))
+
 # Extra complication to make wrappers commutative:
 
 hasnames(A::KaNda) = true

test/_basic.jl

@@ -175,6 +175,9 @@ end
         @test named_axiskeys(arr) === (a=1:2, b='a':'c')
         @test Tuple(named_axiskeys(arr)) === axiskeys(arr)
 
+        @test named_axiskeys(rename(arr, :a=>:x)) == (x=1:2, b='a':'c')
+        @test named_axiskeys(rename(arr, (:y, :z))) == (y=1:2, z='a':'c')
+
         nonames = KeyedArray(randn(2,3), (1:2, 'a':'c'))
         @test_throws ErrorException named_axiskeys(nonames)