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List: add method empty()

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Max Kellermann 2020-02-25 20:49:18 +01:00
parent 4c7b1fa619
commit cdf4362c7d
1 changed files with 2 additions and 0 deletions
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src/List.h
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@ -135,6 +135,8 @@ public:
num_entries = max_entries = 0; num_entries = max_entries = 0;
} }
bool empty() const noexcept { return num_entries == 0; }
int length() const { return num_entries; } int length() const { return num_entries; }
int max() const { return max_entries; } int max() const { return max_entries; }
int resize(int new_size = 0) // 0 => size to fit current number of entries int resize(int new_size = 0) // 0 => size to fit current number of entries