wehub-resource-sync
35 lines
1.3 KiB
Go
35 lines
1.3 KiB
Go
// Copyright 2023 Dolthub, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package utils
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// SliceToMapKeys converts the given slice into a map where all of the keys are represented by all of the slice's values.
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func SliceToMapKeys[T comparable](slice []T) map[T]struct{} {
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m := make(map[T]struct{})
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for _, val := range slice {
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m[val] = struct{}{}
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}
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return m
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}
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// SliceToMapValues converts the given slice into a map where all of the slice's values are keyed by the output of the
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// `getKey` function, which takes a value and returns a key. It is up to the caller to return a unique key.
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func SliceToMapValues[K comparable, V any](slice []V, getKey func(V) K) map[K]V {
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m := make(map[K]V)
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for _, val := range slice {
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m[getKey(val)] = val
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}
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return m
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}
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