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Methods with too many parameters can be complex

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Why you should care

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For developers, it is important to consider that having too many arguments tends make the function excessively complex.  This increases development time as it becomes more difficult for others to use, and understand the offending sections of code.

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Business Impacts

Having too many parameters makes it difficult for developers to understand how to use a code base and collaborate on portions of code. This leads to high levels of backtracking and debugging, since developers have to remember and understand complex aspects while they are working. It is important to reduce this complexity to reduce needless expenditures of developer time and effort.[/vc_column_text][vc_empty_space height=”32px”][nz_btn text=”Acceleration” target=”_self” animate=”false” animation_type=”ghost” color=”orange” size=”small” shape=”rounded” type=”normal” hover_normal=”opacity” hover_ghost=”fill” link=”http://casthighlight.wpengine.com/category/product/indicators-methodology/innovation/” icon=”icon-office”][/vc_column_inner][/vc_row_inner][vc_empty_space height=”32px”][vc_single_image image=”5362″ img_link_large=”” img_link_target=”_self” img_size=”full” alignment=”none”][vc_row_inner][vc_column_inner width=”1/2″][vc_column_text pl=”0″ pr=”0″ pt=”0″ pb=”0″]

CAST Recommendations

Implementing a style guide for all developers which outlines the maximum number of function arguments and places an emphasis on proper abstraction methodology for your application. Adding more layers of abstraction and further subdividing functions will reduce the complexity.[/vc_column_text][/vc_column_inner][vc_column_inner width=”1/2″][vc_column_text pl=”0″ pr=”0″ pt=”0″ pb=”0″]

References

https://stackoverflow.com/questions/2244860/when-a-method-has-too-many-parameters[/vc_column_text][nz_btn text=”Style Guide” target=”_self” animate=”false” animation_type=”ghost” color=”turquoise” size=”small” shape=”rounded” type=”ghost” hover_normal=”opacity” hover_ghost=”fill” link=”https://github.com/Kristories/awesome-guidelines” icon=”icon-book”][/vc_column_inner][/vc_row_inner][vc_separator color=”grey” align=”align_center” style=”” border_width=”” el_width=””][vc_column_text pl=”0″ pr=”0″ pt=”0″ pb=”0″]

How we detect

[/vc_column_text][vc_column_text pl=”0″ pr=”0″ pt=”0″ pb=”0″]This code insight counts one violation each time a function has more than X arguments where X is defined to 3.

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About CAST and Highlight’s Code Insights

Over the last 25 years, CAST has leveraged unique knowledge on software quality measurement by analyzing thousands of applications and billions of lines of code. Based on this experience and community standards on programming best practices, Highlight implements hundreds of code insights across 15+ technologies to calculate health factors of a software.

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