Add support to call methods without a let statement.

[edg-l]

Allows to do

x.a(); without a let a = on the left hand side

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 63.58%. Comparing base (065f5b8) to head (3218a9a).

Additional details and impacted files

@@                 Coverage Diff                  @@
##           lower_impl_block     #161      +/-   ##
====================================================
+ Coverage             63.40%   63.58%   +0.17%     
====================================================
  Files                    21       21              
  Lines                  4894     4896       +2     
====================================================
+ Hits                   3103     3113      +10     
+ Misses                 1791     1783       -8     

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[github-actions]

Benchmarking factorial

Compiling factorial (factorial.con)
Finished release in 30.334469ms
Running 5000000 iterations
Using input value: 20
Concrete Result = 2432902008176640000 Time taken : 59.50 ms
Rust Result = 2432902008176640000 Time taken : 60.38 ms

Benchmarking fib

Compiling fib (fib.con)
Finished release in 26.330592ms
Running 5000 iterations
Using input value: 20
Concrete Result = 6765 Time taken : 136.69 ms
Rust Result = 6765 Time taken : 85.63 ms