Associative string-splitting transducer

[tkf]

Commit Message

Associative string-splitting transducer (#344)

Fix the word-splitting transducer in examples/words.jl to avoid re-ordering words. This assumes the inner reducing function to be associative. In turn, it makes the whole composite reducing function "associative" (in the sense that combine works).

Making it work requires collect to use a proper monoid (i.e., start(rf, Init) works).

[codecov[bot]]

Codecov Report

Merging #344 into master will decrease coverage by 0.04%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #344      +/-   ##
==========================================
- Coverage   90.56%   90.52%   -0.05%     
==========================================
  Files          25       25              
  Lines        1494     1498       +4     
==========================================
+ Hits         1353     1356       +3     
- Misses        141      142       +1     

Impacted Files	Coverage Δ
src/processes.jl	92.85% <100.00%> (+0.11%)	:arrow_up:
src/core.jl	86.18% <0.00%> (-1.04%)	:arrow_down:
src/progress.jl	90.81% <0.00%> (+1.02%)	:arrow_up:

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