Todo Violation: TODOs should be resolved (기록소 이름 변경) (todo)

Trailing Newline Violation: Files should have a single trailing newline (trailing_newline)

Line Length Violation: Line should be 120 characters or less; currently it has 126 characters (line_length)

Todo Violation: TODOs should be resolved (nil이라면 바로 error를 return하도록 수정) (todo)

Non-optional String -> Data Conversion Violation: Prefer non-optional `Data(_:)` initializer when converting `String` to `Data` (non_optional_string_data_conversion)

Line Length Violation: Line should be 120 characters or less; currently it has 131 characters (line_length)

Trailing Comma Violation: Collection literals should not have trailing commas (trailing_comma)

Trailing Newline Violation: Files should have a single trailing newline (trailing_newline)

Function Body Length Violation: Function body should span 50 lines or less excluding comments and whitespace: currently spans 52 lines (function_body_length)

Todo Violation: TODOs should be resolved (기록소 이름이 아닌, 책 이름으로 변경) (todo)

Todo Violation: TODOs should be resolved (기록소 이름 변경) (todo)

Trailing Newline Violation: Files should have a single trailing newline (trailing_newline)

Line Length Violation: Line should be 120 characters or less; currently it has 126 characters (line_length)

Non-optional String -> Data Conversion Violation: Prefer non-optional `Data(_:)` initializer when converting `String` to `Data` (non_optional_string_data_conversion)

Todo Violation: TODOs should be resolved (nil이라면 바로 error를 return하도록 수정) (todo)

Line Length Violation: Line should be 120 characters or less; currently it has 131 characters (line_length)

Trailing Comma Violation: Collection literals should not have trailing commas (trailing_comma)

Trailing Newline Violation: Files should have a single trailing newline (trailing_newline)

Function Body Length Violation: Function body should span 50 lines or less excluding comments and whitespace: currently spans 52 lines (function_body_length)