tweak is_operator_start_char to not use so heavily nested syntax

[KristofferC]

Ref JuliaLang/JuliaSyntax.jl#368

[codecov]

Codecov Report

Merging #208 (54285c7) into master (8d2aa01) will increase coverage by 12.94%.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##           master     #208       +/-   ##
===========================================
+ Coverage   82.53%   95.48%   +12.94%     
===========================================
  Files           4        6        +2     
  Lines         836      841        +5     
===========================================
+ Hits          690      803      +113     
+ Misses        146       38      -108     

Files	Coverage Δ
src/utilities.jl	100.00% <100.00%> (ø)

... and 5 files with indirect coverage changes

[oscardssmith]

wouldn't it be better to use searchsortedfirst to prevent the allocation? (although that is a fairly minor difference)

[KristofferC]

What allocation?

[oscardssmith]

searchsorted allocates an array for it's return value.

[KristofferC]

Are you sure?

[oscardssmith]

oh, never mind. I remembered incorrectly.