Getting union of sets in Julia – union() and union!() Methods
Last Updated :
26 Mar, 2020
The union()
is an inbuilt function in julia which is used to construct the union of the specified sets.
Syntax: union(s, itrs…)
Parameters:
- s: Specified first set.
- itrs: Specified second set.
Returns: It returns the constructed union of the specified sets.
Example:
println(union([ 5 , 10 ], [ 15 , 20 ]))
println(union([ 2 , 4 ], [ 2 , 4 , 6 ]))
println(union([ 1 , 3 ], 5 : 7 ))
println(union( Set ([ 2 , 4 , 6 ]), 1 : 5 ))
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Output:
[5, 10, 15, 20]
[2, 4, 6]
[1, 3, 5, 6, 7]
[4, 2, 6, 1, 3, 5]
union!()
The union!()
is an inbuilt function in julia which is used to construct the union of passed in sets and overwrite s with the result.
Syntax:
union!(s::Union{AbstractSet, AbstractVector}, itrs…)
Parameters:
- s: Specified set.
- itrs: Specified iterator.
Returns: It returns the constructed union of passed in sets and overwrite s with the result.
Example:
s1 = Set ([ 1 , 2 , 3 , 4 ]);
union !(s1, 5 : 7 : 9 );
println(s1)
s2 = Set ([ 1 , 2 , 3 , 4 ]);
union !(s2, 1 : 2 : 3 );
println(s2)
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Output:
Set([4, 2, 3, 5, 1])
Set([4, 2, 3, 1])
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