35 lines
588 B
Go
35 lines
588 B
Go
package ring
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import "fmt"
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const DefaultGrowthFactor = 2
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const DefaultCapacity = 16
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type config struct {
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capacity uint64
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growthFactor uint64
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}
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type Option func(*config)
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func GrowthFactor(value int) Option {
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if value <= 1 {
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panic(fmt.Errorf("go-ring: growth factor must be greater than 1, got %d", value))
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}
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return func(c *config) {
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c.growthFactor = uint64(value)
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}
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}
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func Capacity(value int) Option {
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if value < 0 {
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panic(fmt.Errorf("go-ring: starting capacity must be non-negative, got %d", value))
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}
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return func(c *config) {
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c.capacity = uint64(value)
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}
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}
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