Add IsFileEmpty() and IsDirEmpty()

[codecov[bot]]

Codecov Report

Merging #71 into master will increase coverage by 0.68%. The diff coverage is 100%.

@@            Coverage Diff             @@
##           master      #71      +/-   ##
==========================================
+ Coverage   95.47%   96.15%   +0.68%     
==========================================
  Files          19       20       +1     
  Lines         729      754      +25     
==========================================
+ Hits          696      725      +29     
+ Misses         26       23       -3     
+ Partials        7        6       -1

Impacted Files	Coverage Δ
yos/common.go	100% <ø> (ø)	:arrow_up:
yos/size.go	100% <100%> (+5.71%)	:arrow_up:
yos/empty.go	100% <100%> (ø)
yos/list.go	100% <100%> (ø)	:arrow_up:
yos/compare.go	85.71% <0%> (+2.04%)	:arrow_up:

[codeclimate[bot]]

Code Climate has analyzed commit caa701c5 and detected 0 issues on this pull request.

The test coverage on the diff in this pull request is 100.0% (50% is the threshold).

This pull request will bring the total coverage in the repository to 97.3% (0.5% change).

View more on Code Climate.

[an63]

Here is an overview of what got changed by this pull request:

Complexity increasing per file
==============================
- yos/empty_test.go  4
- yos/empty.go  6

Complexity decreasing per file
==============================
+ yos/size.go  -1

Clones added
============
- yos/size_test.go  5
- yos/empty_test.go  12
- yos/compare_test.go  3
- yos/empty.go  1
- yos/size.go  1

See the complete overview on Codacy