fix smart_ptr[json]

[bbbgan]

fix issue #223

[codecov-commenter]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.05% 🎉

Comparison is base (1e8997c) 44.79% compared to head (049f216) 44.85%.

❗ Your organization is not using the GitHub App Integration. As a result you may experience degraded service beginning May 15th. Please install the Github App Integration for your organization. Read more.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #224      +/-   ##
==========================================
+ Coverage   44.79%   44.85%   +0.05%     
==========================================
  Files          45       45              
  Lines        5449     5453       +4     
==========================================
+ Hits         2441     2446       +5     
+ Misses       3008     3007       -1     

Files Changed	Coverage Δ
iguana/json_reader.hpp	88.99% <ø> (+0.80%)	⬆️
test/unit_test.cpp	99.68% <100.00%> (+<0.01%)	⬆️

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[qicosmos]

LGTM