isempty
isempty(collection) -> Bool
Determine whether a collection is empty (has no elements).
julia> isempty([])
true
julia> isempty([1 2 3])
falseExamples
julia> isempty([])
true
julia> isempty([1,2,2])
false
julia> isempty([])
true
julia> isempty([1,2,3])
false
-
Check if an array is empty:
julia> isempty([]) trueThis example checks if the array is empty.
-
Check if a string is empty:
julia> isempty("") trueIt determines if the string is empty.
- Check if a dictionary is empty:
julia> dict = Dict("a" => 1, "b" => 2); julia> isempty(dict) falseIt determines if the dictionary is empty.
See Also
append!, delete!, deleteat!, empty!, endof, filter, filter!, gc, get!, getkey, haskey, insert!, isempty, keys, map, map!, merge, merge!, pop!, prepend!, push!, reduce, resize!, shift!, splice!, unshift!, values,User Contributed Notes
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