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34 lines
494 B
Go
34 lines
494 B
Go
package eval
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import (
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"fmt"
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"os"
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"github.com/xiaq/persistent/hash"
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)
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type Pipe struct {
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r, w *os.File
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}
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var _ Value = Pipe{}
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func (Pipe) Kind() string {
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return "pipe"
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}
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func (p Pipe) Equal(rhs interface{}) bool {
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return p == rhs
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}
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func (p Pipe) Hash() uint32 {
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h := hash.DJBInit
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h = hash.DJBCombine(h, hash.UIntPtr(p.r.Fd()))
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h = hash.DJBCombine(h, hash.UIntPtr(p.w.Fd()))
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return h
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}
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func (p Pipe) Repr(int) string {
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return fmt.Sprintf("<pipe{%v %v}>", p.r.Fd(), p.w.Fd())
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}
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