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lib/core: Pre-allocate at least 16 slots when enlarging array #2073

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lib/core: Pre-allocate at least 16 slots when enlarging array #2073

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3 changes: 2 additions & 1 deletion lib/core/collection/array.nit
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Original file line number Diff line number Diff line change
Expand Up @@ -402,7 +402,8 @@ class Array[E]
do
var c = _capacity
if cap <= c then return
while c <= cap do c = c * 2 + 2
if c < 16 then c = 16
while c <= cap do c = c * 2
var a = new NativeArray[E](c)
if _capacity > 0 then _items.copy_to(a, _length)
_items = a
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