[CAT-299] 집중 시간 60분 선택시 0분으로 나오는 버그 · Nexters/Mohanyang-iOS@5adec2b

Force casts should be avoided (force_cast)

Implicitly unwrapped optionals should be avoided when possible (implicitly_unwrapped_optional)

Force casts should be avoided (force_cast)

Opening braces should be preceded by a single space and on the same line as the declaration (opening_brace)

Force unwrapping should be avoided (force_unwrapping)

Force casts should be avoided (force_cast)

Force unwrapping should be avoided (force_unwrapping)

Don't include vertical whitespace (empty line) after opening braces (vertical_whitespace_opening_braces)

Force unwrapping should be avoided (force_unwrapping)

Don't include vertical whitespace (empty line) after opening braces (vertical_whitespace_opening_braces)

Provide feedback