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16 lines
239 B
Go
16 lines
239 B
Go
package tools
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func Cache[i comparable, o any](f func(in i) o) func(in i) o {
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cache := make(map[i]o, 0)
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return func(in i) o {
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cached, has := cache[in]
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if has {
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return cached
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}
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out := f(in)
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cache[in] = out
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return out
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}
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}
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