mirror of https://github.com/japl-lang/japl.git
51 lines
1.1 KiB
Nim
51 lines
1.1 KiB
Nim
# Copyright 2020 Mattia Giambirtone
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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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import boolean
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import baseObject
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type
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Nil* = object of Bool
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## A nil object
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proc asNil*(): ptr Nil =
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## Creates a nil object
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result = allocateObj(Nil, ObjectType.Nil)
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proc typeName*(self: ptr Nil): string =
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result = "nil"
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proc stringify*(self: ptr Nil): string =
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result = "nil"
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proc isFalsey*(self: ptr Nil): bool =
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result = true
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proc hash*(self: ptr Nil): uint64 =
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# TODO: Arbitrary hash seems a bad idea
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result = 2u
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proc eq*(self, other: ptr Nil): bool =
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result = true
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