if (element >= input.length) { return null; } else { return input[element]; }
if (element >= input.length) { return nil; } else { return input[element]; }
Clone fragments detected by clone detection tool
File path: /jruby-1.4.0/src/org/jruby/javasupport/util/RuntimeHelpers.java File path: /jruby-1.4.0/src/org/jruby/javasupport/util/RuntimeHelpers.java
Method name: IRubyObject elementOrNull(IRubyObject[], int) Method name: IRubyObject elementOrNil(IRubyObject[], int, IRubyObject)
Number of AST nodes: 3 Number of AST nodes: 3
1
if (element >= input.length) {
1
if (element >= input.length) {
2
            return null;
2
            return nil;
3
        } else {
3
        } else {
4
            return input[element];
4
            return input[element];
5
        }
5
        }
Summary
Number of common nesting structure subtrees1
Number of refactorable cases1
Number of non-refactorable cases0
Time elapsed for finding largest common nesting structure subtrees (ms)0.2
Clones locationClones are declared in the same class
Number of node comparisons9
  1. {Refactorable}
    Mapping Summary
    Number of mapped statements3
    Number of unmapped statements in the first code fragment0
    Number of unmapped statements in the second code fragment0
    Time elapsed for statement mapping (ms)0.8
    Clone typeType 2
    Mapped Statements
    ID Statement ID Statement
    1
    if (element >= input.length)
    1
    if (element >= input.length)
    2
    return null;
    2
    return null;
    2
    return nil;
    Differences
    Expression1Expression2Difference
    nullnilTYPE_COMPATIBLE_REPLACEMENT
    2
    return nil;
    else
    else
    3
    return input[element];
    3
    return input[element];
    Precondition Violations (0)
    Row Violation