The function Array::getUnchecked is a method of the C++ library called juce::Array. This library allows for dynamic array management, and the getUnchecked method is used to access the element of an array without checking if the index provided is within the array bounds. This approach can improve performance, but it's risky because it doesn't guarantee that the index is valid.
Here are some code examples of using Array::getUnchecked:
Example 1:
juce::Array myArray;
myArray.add(1);
myArray.add(2);
myArray.add(3);
int value = myArray.getUnchecked(1);
This example creates an integer array and fills it with three values. It then uses the getUnchecked method to retrieve the second element of the array, which has an index of 1. This line will throw an exception if the array is empty or doesn't have at least two elements but does not check if the index is within bounds.
Example 2:
juce::Array myArray;
double value = myArray.getUnchecked(3);
In this case, the code tries to retrieve the fourth element of an empty array, which will cause undefined behavior. The use of getUnchecked is not recommended in this case.
To use Array::getUnchecked, you need to include the corresponding header file:
#include
And link against the juce core library.
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