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pop!(collection)

pop!(collection) -> item

Remove the last item in collection and return it.

julia> A=[1, 2, 3, 4, 5, 6]
6-element Array{Int64,1}:
 1
 2
 3
 4
 5
 6

julia> pop!(A)
6

julia> A
5-element Array{Int64,1}:
 1
 2
 3
 4
 5

Examples

julia> b = [3, 4, 5]
       pop!(b)
5

julia> a = [1, 2]
       push!(a, 3)
       pop!(a)
3

julia> foo = [1,2,3];

julia> pop!(foo)
3

julia> foo
2-element Array{Int64,1}:
 1
 2

Associative collections

julia> dict = {"A"=>1, "B"=>2, "C"=>3, "D"=>4};

julia> pop!(dict,"A")
1

julia> pop!(dict,"E")
ERROR: key not found: "E"
 in pop! at dict.jl:646

julia> pop!(dict,"E",42)
42

julia> dict
Dict{Any,Any} with 3 entries:
 "B" => 2
 "C" => 3
 "D" => 4

See Also

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