37 lines
688 B
Go
37 lines
688 B
Go
// For more tutorials: https://blog.learngoprogramming.com
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//
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// Copyright © 2018 Inanc Gumus
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// Learn Go Programming Course
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// License: https://creativecommons.org/licenses/by-nc-sa/4.0/
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//
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package record
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// Sum groups the records by summing their numeric fields.
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type Sum struct {
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sum map[string]Record
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}
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// SumGroup the records by domain.
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func SumGroup() *Sum {
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return &Sum{
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sum: make(map[string]Record),
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}
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}
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// Group the record.
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func (s *Sum) Group(r Record) {
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k := r.Domain
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r.Sum(s.sum[k])
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s.sum[k] = r
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}
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// Records returns the grouped records.
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func (s *Sum) Records() []Record {
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var out []Record
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for _, res := range s.sum {
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out = append(out, res)
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}
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return out
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}
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