mirror of
https://github.com/IBM/fp-go.git
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40 lines
1.3 KiB
Go
40 lines
1.3 KiB
Go
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// Copyright (c) 2024 - 2025 IBM Corp.
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// All rights reserved.
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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 option
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import (
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P "github.com/IBM/fp-go/v2/pair"
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PG "github.com/IBM/fp-go/v2/pair/generic"
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)
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// SequencePair converts a Pair of Options into an Option of a Pair.
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// Returns Some containing the pair of values if both Options are Some, None if either is None.
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//
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// Example:
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//
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// pair := P.MakePair(Some(1), Some("hello"))
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// result := SequencePair(pair) // Some(Pair(1, "hello"))
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//
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// pair := P.MakePair(Some(1), None[string]())
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// result := SequencePair(pair) // None
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func SequencePair[T1, T2 any](t P.Pair[Option[T1], Option[T2]]) Option[P.Pair[T1, T2]] {
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return PG.SequencePair(
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Map[T1, func(T2) P.Pair[T1, T2]],
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Ap[P.Pair[T1, T2], T2],
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t,
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)
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}
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