Add minimum and maximum implementation for Nargs (#715)

* Add fields clousure_nargs_sum and function_nargs_sum, refactored code to be compliant with changes

* Add  min and max implementation for Nargs

Author: giovannitangredi

rust-code-analysis-web/src/web/server.rs

@@ -633,7 +633,7 @@ mod tests {
                        "end_line": 4,
                        "metrics": {"cyclomatic": {"sum": 2.0, "average": 1.0, "min":1.0, "max":1.0},
                                    "cognitive": {"sum": 0.0, "average": 0.0, "min":0.0, "max":0.0},
-                                   "nargs": {"total_functions": 0.0, "average_functions": 0.0, "total_closures": 0.0, "average_closures": 0.0, "total": 0.0, "average": 0.0},
+                                   "nargs": {"total_functions": 0.0, "average_functions": 0.0, "total_closures": 0.0, "average_closures": 0.0, "total": 0.0, "average": 0.0, "closures_max": 0.0, "closures_min": 0.0, "functions_max": 0.0, "functions_min": 0.0},
                                    "nexits": {"sum": 0.0, "average": 0.0,"min":0.0,"max":0.0},
                                    "halstead": {"bugs": 0.000_942_552_557_372_941_4,
                                                 "difficulty": 1.0,
@@ -660,7 +660,7 @@ mod tests {
                                    "end_line": 4,
                                    "metrics": {"cyclomatic": {"sum": 1.0, "average": 1.0, "min":1.0, "max":1.0},
                                                "cognitive": {"sum": 0.0, "average": 0.0 , "min":0.0, "max":0.0},
-                                               "nargs": {"total_functions": 0.0, "average_functions": 0.0, "total_closures": 0.0, "average_closures": 0.0, "total": 0.0, "average": 0.0},
+                                               "nargs": {"total_functions": 0.0, "average_functions": 0.0, "total_closures": 0.0, "average_closures": 0.0, "total": 0.0, "average": 0.0, "closures_max": 0.0, "closures_min": 0.0, "functions_max": 0.0, "functions_min": 0.0},
                                                "nexits": {"sum": 0.0, "average": 0.0,"min":0.0,"max":0.0},
                                                "halstead": {"bugs": 0.000_942_552_557_372_941_4,
                                                             "difficulty": 1.0,
@@ -713,7 +713,7 @@ mod tests {
                        "end_line": 2,
                        "metrics": {"cyclomatic": {"sum": 2.0, "average": 1.0, "min":1.0, "max":1.0},
                                    "cognitive": {"sum": 0.0, "average": 0.0 , "min":0.0, "max":0.0},
-                                   "nargs": {"total_functions": 0.0, "average_functions": 0.0, "total_closures": 0.0, "average_closures": 0.0, "total": 0.0, "average": 0.0},
+                                   "nargs": {"total_functions": 0.0, "average_functions": 0.0, "total_closures": 0.0, "average_closures": 0.0, "total": 0.0, "average": 0.0, "closures_max": 0.0, "closures_min": 0.0, "functions_max": 0.0, "functions_min": 0.0},
                                    "nexits": {"sum": 0.0, "average": 0.0,"min":0.0,"max":0.0},
                                    "halstead": {"bugs": 0.000_942_552_557_372_941_4,
                                                 "difficulty": 1.0,
@@ -762,7 +762,7 @@ mod tests {
                        "end_line": 2,
                        "metrics": {"cyclomatic": {"sum": 2.0, "average": 1.0, "min": 1.0,"max": 1.0},
                                    "cognitive": {"sum": 0.0, "average": 0.0 , "min":0.0, "max":0.0},
-                                   "nargs": {"total_functions": 0.0, "average_functions": 0.0, "total_closures": 0.0, "average_closures": 0.0, "total": 0.0, "average": 0.0},
+                                   "nargs": {"total_functions": 0.0, "average_functions": 0.0, "total_closures": 0.0, "average_closures": 0.0, "total": 0.0, "average": 0.0, "closures_max": 0.0, "closures_min": 0.0, "functions_max": 0.0, "functions_min": 0.0},
                                    "nexits": {"sum": 0.0, "average": 0.0,"min":0.0,"max":0.0},
                                    "halstead": {"bugs": 0.000_942_552_557_372_941_4,
                                                 "difficulty": 1.0,
@@ -789,7 +789,7 @@ mod tests {
                                    "end_line": 2,
                                    "metrics": {"cyclomatic": {"sum": 1.0, "average": 1.0, "min": 1.0,"max": 1.0},
                                                "cognitive": {"sum": 0.0, "average": 0.0 , "min":0.0, "max":0.0},
-                                               "nargs": {"total_functions": 0.0, "average_functions": 0.0, "total_closures": 0.0, "average_closures": 0.0, "total": 0.0, "average": 0.0},
+                                               "nargs": {"total_functions": 0.0, "average_functions": 0.0, "total_closures": 0.0, "average_closures": 0.0, "total": 0.0, "average": 0.0, "closures_max": 0.0, "closures_min": 0.0, "functions_max": 0.0, "functions_min": 0.0},
                                                "nexits": {"sum": 0.0, "average": 0.0,"min":0.0,"max":0.0},
                                                "halstead": {"bugs": 0.000_942_552_557_372_941_4,
                                                             "difficulty": 1.0,