fix #120 simplify calling fn name lookup/reference

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (c9faa63) 78.69% compared to head (8e43995) 78.53%.

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Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #125 +/- ## ========================================== - Coverage 78.69% 78.53% -0.17% ========================================== Files 10 10 Lines 535 531 -4 ========================================== - Hits 421 417 -4 Misses 114 114 ``` | [Files](https://app.codecov.io/gh/daroczig/logger/pull/125?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Gergely+Dar%C3%B3czi) | Coverage Δ | | |---|---|---| | [R/logger.R](https://app.codecov.io/gh/daroczig/logger/pull/125?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Gergely+Dar%C3%B3czi#diff-Ui9sb2dnZXIuUg==) | `98.79% <100.00%> (-0.06%)` | :arrow_down: |

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[daroczig]

thanks for the review :bow: I've disabled windows builds for now :zipper_mouth_face: