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26 lines
397 B
Go
26 lines
397 B
Go
package fixedpoint
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type Reducer func(prev, curr Value) Value
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func SumReducer(prev, curr Value) Value {
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return prev.Add(curr)
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}
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func Reduce(values []Value, reducer Reducer, a ...Value) Value {
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init := Zero
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if len(a) > 0 {
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init = a[0]
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}
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if len(values) == 0 {
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return init
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}
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r := reducer(init, values[0])
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for i := 1; i < len(values); i++ {
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r = reducer(r, values[i])
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}
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return r
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}
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