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Programming-Idioms

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Idiom #276 Insert an element in a set

Insert an element e into the set x.

#include <set>
x.insert(e);
x.add(e);
x[e] = true
x[e] = struct{}{}
x.add(e);
import java.util.Set;
x.add(e)
x[e] = true
Include(x,e);
x := x + [e];
use Set::Scalar;
$x = Set::Scalar->new;
$e = 'an element';
$x->insert($e);
x.add(e)
require 'set'
x.add(e)
x << e
use std::collections::HashSet
x.insert(e);
New implementation...
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programming-idioms.org 
x.insert(e);
x.add(e);
x[e] = true
x[e] = struct{}{}
x.add(e);
x.add(e)
x[e] = true
Include(x,e);
x := x + [e];
$x = Set::Scalar->new;
$e = 'an element';
$x->insert($e);
x.add(e)
x.add(e)
x << e
x.insert(e);