Commits on Jul 9, 2023

1. allow starting DFA in noncontinuous bytes …

   regex-automtaton already supports transversing the DFA one byte at a time with
   `next_state`. This is potentially very useful when scanning noncontinuous data
   like network stream or a rope data structures as commonly used in editors.
   
   However, to start the DFA with `start_state_forward`/`start_state_reverse`
   currently requires an `Input` and will look ahead/look one byte behind the
   span boundaries. To support that (especially when using prefilters/literal
   optimization) a streaming use case can not provide such a haystack easily (it
   can be worked around with a temporary array and copying one byte over but its
   extremely brittle/hacky).
   
   This commit adds the `start_state_forward_with`/`start_state_reverse_with`
   function which allow passing the information extracted from the Input directly.

   

   pascalkuthe committed Jul 9, 2023
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