What is the difference between a pure and an impure pipe?
- A Pure pipes only re-run when the input reference changes; impure pipes run on every change detection cycle
- B Impure pipes are faster
- C Pure pipes cannot take arguments
- D There is no difference
Answer
Pure pipes only re-run when the input reference changes; impure pipes run on every change detection cycle
Impure pipes can run hundreds of times per second and are a common cause of performance problems. Pure pipes are the default.





