Compat with 1.8

[gdalle]

[codecov[bot]]

Codecov Report

Merging #19 (0e40b07) into main (d1feed2) will decrease coverage by 8.00%. The diff coverage is 85.18%.

@@             Coverage Diff             @@
##              main      #19      +/-   ##
===========================================
- Coverage   100.00%   92.00%   -8.00%     
===========================================
  Files            1        1              
  Lines           42       50       +8     
===========================================
+ Hits            42       46       +4     
- Misses           0        4       +4     

Impacted Files	Coverage Δ
src/implicit_function.jl	92.00% <85.18%> (-8.00%)	:arrow_down:

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

[gdalle]

@mohamed82008 should we merge this?

[mohdibntarek]

Ya let's merge it.