Merge pull request #12335 from JuliaLang/jh/last-pair

Add endof for Pair
JuliaLang · Jul 28, 2015 · 53aabc0 · 53aabc0
2 parents 9738275 + 71ee608
commit 53aabc0
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diff --git a/base/operators.jl b/base/operators.jl
@@ -441,6 +441,8 @@ getindex(p::Pair,i::Int) = getfield(p,i)
 getindex(p::Pair,i::Real) = getfield(p, convert(Int, i))
 reverse(p::Pair) = Pair(p.second, p.first)
 
+endof(p::Pair) = 2
+
 # some operators not defined yet
 global //, >:, <|, hcat, hvcat, ⋅, ×, ∈, ∉, ∋, ∌, ⊆, ⊈, ⊊, ∩, ∪, √, ∛
 

diff --git a/test/operators.jl b/test/operators.jl
@@ -20,3 +20,11 @@ B = [true true false]
 
 @test reverse(Pair(1,2)) == Pair(2,1)
 @test reverse(Pair("13","24")) == Pair("24","13")
+
+p = 1=>:foo
+@test first(p) == 1
+@test last(p)  == :foo
+@test first(reverse(p)) == :foo
+@test last(reverse(p))  == 1
+@test endof(p) == 2
+@test p[endof(p)] == p[end] == p[2] == :foo