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Unused function parameter in distributed counter example #221

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Unused function parameter in distributed counter example#221
@gregfenton

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@gregfenton
gregfenton
opened on Aug 15, 2021

snippets-web/firestore/test.solution-counters.js

Lines 25 to 32 in c5bfca3

function incrementCounter(db, ref, num_shards) {
// Select a shard of the counter at random
const shard_id = Math.floor(Math.random() * num_shards).toString();
const shard_ref = ref.collection('shards').doc(shard_id);
// Update count
return shard_ref.update("count", firebase.firestore.FieldValue.increment(1));
}

The parameter db is unused in this code example. For the same example in other languages, they do not have this parameter, so it is unneeded here.

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