rangelist: Add methods to aid in element search

[Dekker1]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 17.94872% with 64 lines in your changes missing coverage. Please review.

Project coverage is 75.70%. Comparing base (fb83a2f) to head (585ad20).

Files with missing lines	Patch %	Lines
crates/rangelist/src/lib.rs	17.94%	64 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #208      +/-   ##
===========================================
- Coverage    75.82%   75.70%   -0.12%     
===========================================
  Files          124      124              
  Lines        42242    42306      +64     
  Branches     42242    42306      +64     
===========================================
- Hits         32028    32027       -1     
- Misses        9490     9555      +65     
  Partials       724      724              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.