Define halve(::Pairs) (#55)

JuliaFolds · Aug 7, 2020 · 5aecb37 · 5aecb37
1 parent db5f411
commit 5aecb37
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Showing 2 changed files with 11 additions and 1 deletion.
diff --git a/src/implementations.jl b/src/implementations.jl
@@ -159,6 +159,11 @@ function halve(xs::DictLike)
     return (left, right)
 end
 
+function halve(xs::Iterators.Pairs)
+    left, right = halve(keys(xs))
+    return Iterators.Pairs(values(xs), left), Iterators.Pairs(values(xs), right)
+end
+
 function halve(xs::AbstractString)
     offset = firstindex(xs) - 1
     mid = thisind(xs, (lastindex(xs) - offset) ÷ 2 + offset)

diff --git a/test/test_halve.jl b/test/test_halve.jl
@@ -21,6 +21,10 @@ permutedims(reshape(1:24, 2, 3, 4), (3, 1, 2))
 permutedims(reshape(1:24, 2, 3, 4), (3, 2, 1))
 OffsetArray(1:15, -1)
 OffsetArray(reshape(1:15, 3, 5), -1:1, 0:4)
+pairs(1:10)
+pairs(1:11)
+pairs(reshape(1:6, 2, 3))
+pairs(adjoint(reshape(1:6, 2, 3)))
 "abcde"
 "abcdef"
 "αβγδϵ"
@@ -43,7 +47,8 @@ Iterators.filter(isodd, 1:6)
 Iterators.flatten([1:3, 4:5])
 product(1:3, 1:4)
 product(1:3, 1:4, 1:5)
-product(1:3, (1, 2), (a=1, b=2))
+product(pairs(1:10), pairs(1:11))
+product(1:3, pairs(1:11), (1, 2), (a=1, b=2))
 partition(1:10, 1)
 partition(1:10, 2)
 partition(1:10, 3)