figure.h:9:  Do not use namespace using-directives.  Use using-declarations instead.  [build/namespaces] [5]
figure.h:15:  Single-parameter constructors should be marked explicit.  [runtime/explicit] [5]
figure.h:28:  Lines should be <= 80 characters long  [whitespace/line_length] [2]
figure.h:29:  Lines should be <= 80 characters long  [whitespace/line_length] [2]
figure.h:50:  Lines should be <= 80 characters long  [whitespace/line_length] [2]
figure.h:118:  Missing space around colon in range-based for loop  [whitespace/forcolon] [2]
figure.h:127:  Could not find a newline character at the end of the file.  [whitespace/ending_newline] [5]
Done processing figure.h
Total errors found: 7