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Use bytesize and add comments

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This commit is contained in:
Leeingnyo 2021-09-03 11:11:28 +09:00
parent 365f71cd1d
commit 0a8fd993e5
1 changed files with 4 additions and 2 deletions
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6
src/library/cache.cr
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@ -171,8 +171,10 @@ private class SortedEntriesCacheEntry
end
def instance_size
@value.size * (instance_sizeof(String) + sizeof(String)) +
@value.sum(&.size) + instance_sizeof(SortedEntriesCacheEntry)
instance_sizeof(SortedEntriesCacheEntry) + # sizeof itself
instance_sizeof(String) + @key.bytesize + # allocated memory for @key
@value.size * (instance_sizeof(String) + sizeof(String)) +
@value.sum(&.bytesize) # elements in Array(String)
end
end