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Add an entry to a map
Given an empty pets map, add the mapping from
"rob"
to
"dog"
python
pets['rob'] = 'dog'
pets['rob'] = 'dog'
clojure
(assoc {} 'rob 'dog)
(assoc {} 'rob 'dog)
erlang
Pets1 = dict:store(rob, dog, Pets0).
-module(addtoempty).
-export([start/0]).
start() ->
Pets0 = dict:new(),
Pets1 = dict:store(rob, dog, Pets0).
erlang
ets:insert(Pets, {rob, dog}).
-module(addtoempty).
-export([start/0]).
start() ->
Pets = ets:new(the_map_name, [ordered_set, private, {keypos, 1}]),
ets:insert(Pets, {rob, dog}).
erlang
Pets1 = gb_trees:enter(rob, dog, Pets0).
-module(addtoempty).
-export([start/0]).
start() ->
Pets0 = gb_trees:empty(),
Pets1 = gb_trees:enter(rob, dog, Pets0).
cpp
C++/CLI .NET 2.0
pets->Add("rob", "dog");
using namespace System;
using namespace System::Collections;
int main()
{
Hashtable^ pets = gcnew Hashtable;
pets->Add("rob", "dog");
}
cpp
C++/CLI .NET 2.0
pets["rob"] = "dog";
using namespace System;
using namespace System::Collections;
int main()
{
Hashtable^ pets = gcnew Hashtable;
pets["rob"] = "dog";
}
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