ecs: fix appendUndefined() off-by-one error
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1 changed files with 2 additions and 1 deletions
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@ -97,8 +97,9 @@ pub const ArchetypeStorage = struct {
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pub fn appendUndefined(storage: *ArchetypeStorage, gpa: Allocator) !u32 {
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try storage.ensureUnusedCapacity(gpa, 1);
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assert(storage.len < storage.capacity);
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const row_index = storage.len;
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storage.len += 1;
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return storage.len;
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return row_index;
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}
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pub fn append(storage: *ArchetypeStorage, gpa: Allocator, row: anytype) !u32 {
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