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b0b72e98af
std/options fixes - add Option[T] valueOr/withValue no longer provided by libp2p - add missing std/options imports no longer re-exported by libp2p
27 lines
526 B
Nim
27 lines
526 B
Nim
# Shim to provide valueOr and withValue for Option[T]
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{.push raises: [].}
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import std/options
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template valueOr*[T](self: Option[T], def: untyped): T =
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let s = self
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if s.isSome():
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s.get()
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else:
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def
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template withValue*[T](self: Option[T], value, body: untyped) =
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let s = self
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if s.isSome():
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let value {.inject.} = s.get()
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body
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template withValue*[T](self: Option[T], value, body, elseStmt: untyped) =
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let s = self
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if s.isSome():
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let value {.inject.} = s.get()
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body
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else:
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elseStmt
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