Платформа ЦРНП "Мирокод" для разработки проектов
https://git.mirocod.ru
21 lines
520 B
21 lines
520 B
// Copyright 2015 Huan Du. All rights reserved. |
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// Licensed under the MIT license that can be found in the LICENSE file. |
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package xstrings |
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const bufferMaxInitGrowSize = 2048 |
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// Lazy initialize a buffer. |
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func allocBuffer(orig, cur string) *stringBuilder { |
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output := &stringBuilder{} |
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maxSize := len(orig) * 4 |
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// Avoid to reserve too much memory at once. |
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if maxSize > bufferMaxInitGrowSize { |
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maxSize = bufferMaxInitGrowSize |
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} |
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output.Grow(maxSize) |
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output.WriteString(orig[:len(orig)-len(cur)]) |
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return output |
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}
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