30 lines
392 B
Go
30 lines
392 B
Go
package position
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const DefaultBlockSize = 50
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type Pool struct {
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block []Position
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off int
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}
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func NewPool(blockSize int) *Pool {
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return &Pool{
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block: make([]Position, blockSize),
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}
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}
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func (p *Pool) Get() *Position {
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if len(p.block) == 0 {
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return nil
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}
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if len(p.block) == p.off {
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p.block = make([]Position, len(p.block))
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p.off = 0
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}
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p.off++
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return &p.block[p.off-1]
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}
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