expandUntil method Null safety

bool expandUntil(
  1. Characters target
)

Expands the range to include characters until the next target.

If there is an occurrence of target in the characters following the current range, the end of the the range is moved to just before the first such occurrence.

If there is no such occurrence of target, the end of the range is moved to the end of source.

Returns true if there is an occurrence of target and false if not.

Implementation

bool expandUntil(Characters target);