A very basic question: julia> S = Set([1,2,3,4]) Set([4, 2, 3, 1]) julia> size(S) ERROR: MethodError: no method matching size(::Set{Int64}) Closest candidates are: size(::BitArray{1}) at bitarray.jl:77 size(::BitArray{1}, ::Any) at bitarray.jl:81 size(::Core.Compiler.StmtRange) at show.jl:15…

How to find the size of a Set?

Nathaniel June 19, 2019, 10:01am 2

Answering my own question: for some reason, the number of elements in a Set is called “length”:

julia> length(S)
4

4 Likes

Topic		Replies	Views
Why `length(2) == length([2])`? New to Julia	2	143	July 20, 2024
Size function does not work with pairs(::NamedTuple) General Usage question , testing	1	447	March 3, 2020
What's the length of this array in Julia? General Usage	1	456	January 16, 2019
`length.(AbstractArray[])` and `size.(AbstractArray[])` return empty arrays of `Any` General Usage	19	526	March 11, 2022
The length of a enum object in julia? General Usage enum	3	1215	January 21, 2019