hash3 function
Generates a hash code for three objects.
Implementation
int hash3(a, b, c) => _finish(
_combine(_combine(_combine(0, a.hashCode), b.hashCode), c.hashCode));
Generates a hash code for three objects.
int hash3(a, b, c) => _finish(
_combine(_combine(_combine(0, a.hashCode), b.hashCode), c.hashCode));