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implement reverse v1

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This commit is contained in:
Barak Michener 2014-09-01 14:19:47 -04:00
parent 5451d07ff5
commit 2bceb9c25f
2 changed files with 19 additions and 2 deletions
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14
graph/api/api.go
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@ -61,9 +61,21 @@ func M(qs graph.QuadStore) *Path {
}
}
func (p *Path) Reverse() *Path {
newPath := M(p.qs)
for i := len(p.stack) - 1; i >= 0; i-- {
newPath.stack = append(newPath.stack, p.stack[i].Reversal())
}
return newPath
}
func (p *Path) IsConcrete() bool { return p.it != nil }
func (p *Path) Tag(tags ...string) *Path { p.stack = append(p.stack, TagMorphism(tags...)); return p }
func (p *Path) Tag(tags ...string) *Path {
p.stack = append(p.stack, TagMorphism(tags...))
return p
}
func (p *Path) Out(via ...interface{}) *Path {
p.stack = append(p.stack, OutMorphism(p.qs, via...))
return p