41 lines
1.2 KiB
Go
41 lines
1.2 KiB
Go
// Mgmt
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// Copyright (C) 2013-2019+ James Shubin and the project contributors
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// Written by James Shubin <james@shubin.ca> and the project contributors
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package util
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import (
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"fmt"
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"github.com/purpleidea/mgmt/lang/types"
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)
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// HasDuplicateTypes returns an error if the list of types is not unique.
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func HasDuplicateTypes(typs []*types.Type) error {
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// FIXME: do this comparison in < O(n^2) ?
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for i, ti := range typs {
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for j, tj := range typs {
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if i == j {
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continue // don't compare to self
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}
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if ti.Cmp(tj) == nil {
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return fmt.Errorf("duplicate type of %+v found", ti)
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}
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}
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}
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return nil
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}
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