WASI interface

[chfast]

No description provided.

[codecov]

Codecov Report

Merging #789 (cd2b690) into master (ece653a) will decrease coverage by 0.09%.
The diff coverage is 41.17%.

@@            Coverage Diff             @@
##           master     #789      +/-   ##
==========================================
- Coverage   99.22%   99.12%   -0.10%     
==========================================
  Files          79       80       +1     
  Lines       12060    12391     +331     
==========================================
+ Hits        11966    12283     +317     
- Misses         94      108      +14     

Flag	Coverage Δ
rust	99.90% <ø> (+0.03%)	⬆️
spectests	90.54% <ø> (ø)
unittests	99.05% <41.17%> (-0.13%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
tools/wasi/wasi.cpp	62.02% <33.33%> (+2.45%)	⬆️
tools/wasi/wasi_uvwasi.cpp	43.58% <43.58%> (ø)
bindings/rust/src/lib.rs	99.90% <0.00%> (+0.03%)	⬆️

[axic]

Replaced by #790.