mirror of
https://github.com/ethereum/go-ethereum.git
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29166f0fc8
## Why this should be merged the `pseudo` package should not be used outside of libevm. Moving it to internal enforces this. ## How this was tested CI
40 lines
1.3 KiB
Go
40 lines
1.3 KiB
Go
// Copyright 2024 the libevm authors.
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//
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// The libevm additions to go-ethereum are free software: you can redistribute
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// them and/or modify them under the terms of the GNU Lesser General Public License
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// as published by the Free Software Foundation, either version 3 of the License,
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// or (at your option) any later version.
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//
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// The libevm additions are distributed in the hope that they 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 GNU Lesser
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// General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see
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// <http://www.gnu.org/licenses/>.
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package pseudo
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// A Constructor returns newly constructed [Type] instances for a pre-registered
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// concrete type.
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type Constructor interface {
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Zero() *Type
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NewPointer() *Type
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NilPointer() *Type
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}
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// NewConstructor returns a [Constructor] that builds `T` [Type] instances.
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func NewConstructor[T any]() Constructor {
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return ctor[T]{}
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}
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type ctor[T any] struct{}
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func (ctor[T]) Zero() *Type { return Zero[T]().Type }
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func (ctor[T]) NilPointer() *Type { return Zero[*T]().Type }
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func (ctor[T]) NewPointer() *Type {
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var x T
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return From(&x).Type
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}
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