Be concise.
Be useful.
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Implementation edit is for fixing errors and enhancing with metadata.
Instead of changing the code of the snippet, consider creating another Dart implementation.
m[k] = v
$m[$k] = $v;
m[k] = v
m[k] = v;
m[k] = v
fgl
m.KeyData[k] := v;
use std::collection::HashMap;
m.insert(k, v);
$m{$k} = $v;
m.set(k, v);
m[k] = v;
m[k] = v;
m[k] = v;
import qualified Data.Map as Map
newM = Map.insert k v m
(assoc m k v)