adds fx.From annotation

[rossb83]

Adds fx.From annotation to allow injecting struct ptr types for interface dependencies which they implement. This should address issue https://github.com/uber-go/fx/issues/878

[CLAassistant]

All committers have signed the CLA.

[codecov[bot]]

Codecov Report

Merging #938 (3c178f4) into master (f8aaaeb) will increase coverage by 0.01%. The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #938      +/-   ##
==========================================
+ Coverage   98.72%   98.74%   +0.01%     
==========================================
  Files          30       30              
  Lines        1337     1357      +20     
==========================================
+ Hits         1320     1340      +20     
  Misses         11       11              
  Partials        6        6              

Impacted Files	Coverage Δ
annotated.go	99.71% <100.00%> (+0.01%)	:arrow_up:

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[kkHAIKE]

ping @rossb83 😊 LGTM

[tchung1118]

This has been completed with #990.