Add more cpp 20 stuff

[Laguna1989]

No description provided.

[codecov-commenter]

Codecov Report

Attention: 102 lines in your changes are missing coverage. Please review.

Comparison is base (e64cddc) 96.56% compared to head (cf5b90d) 94.70%.

Files	Patch %	Lines
impl/jamtemplate/common/strutils.cpp	43.80%	68 Missing ⚠️
impl/jamtemplate/sfml/shape.cpp	77.14%	8 Missing ⚠️
impl/jamtemplate/sfml/gamepad_input_lib.cpp	25.00%	6 Missing ⚠️
impl/jamtemplate/sfml/line.cpp	73.33%	4 Missing ⚠️
impl/jamtemplate/sfml/sprite.cpp	81.81%	4 Missing ⚠️
impl/jamtemplate/sfml/text.cpp	50.00%	4 Missing ⚠️
impl/jamtemplate/common/math_helper.cpp	0.00%	3 Missing ⚠️
...l/jamtemplate/common/box2dwrapper/box2d_object.cpp	50.00%	1 Missing ⚠️
impl/jamtemplate/common/circular_buffer.hpp	91.66%	1 Missing ⚠️
impl/jamtemplate/common/game_base.cpp	66.66%	1 Missing ⚠️
... and 2 more

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Additional details and impacted files

@@            Coverage Diff             @@
##           master     #307      +/-   ##
==========================================
- Coverage   96.56%   94.70%   -1.86%     
==========================================
  Files         186      191       +5     
  Lines        4480     4609     +129     
==========================================
+ Hits         4326     4365      +39     
- Misses        154      244      +90     

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