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Flag.scala
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Flag.scala
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/*
* Copyright (c) 2013 Functional Streams for Scala
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package fs2
package io
package file
import cats.kernel.Monoid
import fs2.io.internal.facade
final class Flag private (private[file] val bits: Long) extends AnyVal
object Flag extends FlagCompanionApi {
private def apply(bits: Long): Flag = new Flag(bits)
private def apply(bits: Double): Flag = Flag(bits.toLong)
val Read = Flag(facade.fs.constants.O_RDONLY)
val Write = Flag(facade.fs.constants.O_WRONLY)
val Append = Flag(facade.fs.constants.O_APPEND)
val Truncate = Flag(facade.fs.constants.O_TRUNC)
val Create = Flag(facade.fs.constants.O_CREAT)
val CreateNew = Flag(facade.fs.constants.O_CREAT.toLong | facade.fs.constants.O_EXCL.toLong)
val Sync = Flag(facade.fs.constants.O_SYNC)
val Dsync = Flag(facade.fs.constants.O_DSYNC)
private[file] implicit val monoid: Monoid[Flag] = new Monoid[Flag] {
override def combine(x: Flag, y: Flag): Flag = Flag(x.bits | y.bits)
override def empty: Flag = Flag(0)
}
}
private[file] trait FlagsCompanionPlatform {}