Its return value should be determined solely by its input parameters.
Wouldn't that make any function in strongly typed languages "pure"?
No.
For example:
int a = 5; int sumOfNumbers(int x, int y) { a = 1; return x + y; } int sum = sumOfNumbers(12, 33);
This function is not pure as it modifies a.
a
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Wouldn't that make any function in strongly typed languages "pure"?
No.
For example:
This function is not pure as it modifies
a.