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AK: Make Disjoint*::is_empty() not call size

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This is a raffinement of 49cbd4dcca.

Previously, the container was scanned to compute the size in the unhappy
path. Now, using `all_of` happy and unhappy path should be fast.
This commit is contained in:
Michel Hermier 2021-12-22 00:34:05 +01:00 • committed by Brian Gianforcaro
parent 44a6d7968a
commit 4758dac218
2 changed files with 12 additions and 2 deletions
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3
Tests/AK/TestDisjointChunks.cpp
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@ -13,8 +13,11 @@
TEST_CASE(basic)
{
DisjointChunks<size_t> chunks;
EXPECT(chunks.is_empty());
chunks.append({});
EXPECT(chunks.is_empty());
chunks.last_chunk().append(0);
EXPECT(!chunks.is_empty());
chunks.append({});
chunks.last_chunk().append(1);
chunks.last_chunk().append(2);