Introduce a helper macro to simplify immutable indexing.

[maleadt]

No description provided.

[maleadt]

Benchmark results for commit 02e746c (comparing to d506a9c):
No regressions or improvements detected.

[codecov]

Codecov Report

Patch coverage: 21.87% and project coverage change: +0.59 🎉

Comparison is base (ee0fe8d) 29.98% compared to head (02e746c) 30.58%.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #119      +/-   ##
==========================================
+ Coverage   29.98%   30.58%   +0.59%     
==========================================
  Files          11       11              
  Lines         767      775       +8     
==========================================
+ Hits          230      237       +7     
- Misses        537      538       +1     

Impacted Files	Coverage Δ
src/kernel.jl	5.30% <0.00%> (ø)
src/layout.jl	22.13% <0.00%> (ø)
src/operator.jl	11.72% <0.00%> (ø)
src/array.jl	41.93% <87.50%> (+15.84%)	⬆️

☔ View full report in Codecov by Sentry.
📢 Do you have feedback about the report comment? Let us know in this issue.