Parse 'infer' and wildcard type annotations

[codecov[bot]]

Codecov Report

Merging #646 (fb54871) into main (4fd1c40) will increase coverage by 0.03%. The diff coverage is 91.30%.

@@            Coverage Diff             @@
##             main     #646      +/-   ##
==========================================
+ Coverage   90.80%   90.83%   +0.03%     
==========================================
  Files         101      101              
  Lines       21017    21130     +113     
==========================================
+ Hits        19084    19193     +109     
- Misses       1933     1937       +4     

Files Changed	Coverage Δ
crates/escalier_ast/src/type_ann.rs	100.00% <ø> (ø)
crates/escalier_hm/src/unify.rs	82.79% <0.00%> (-0.57%)	:arrow_down:
crates/escalier_parser/src/token.rs	100.00% <ø> (ø)
crates/escalier_parser/src/type_ann_parser.rs	94.17% <82.35%> (-0.41%)	:arrow_down:
crates/escalier_hm/src/types.rs	74.68% <85.71%> (+0.16%)	:arrow_up:
crates/escalier_hm/src/util.rs	73.71% <96.96%> (+2.82%)	:arrow_up:
crates/escalier_hm/src/infer.rs	90.72% <100.00%> (+0.14%)	:arrow_up:
crates/escalier_hm/src/visitor.rs	83.67% <100.00%> (+0.34%)	:arrow_up:
crates/escalier_parser/src/parser.rs	98.19% <100.00%> (+<0.01%)	:arrow_up:
crates/escalier_parser/src/stmt_parser.rs	98.50% <100.00%> (+0.02%)	:arrow_up:

... and 5 files with indirect coverage changes