first value
second value
error message format, must have two string places '%s' for a and b
assert( mustExcept!AssertError({ assertEq( 1, 2 ); }) ); assert( mustExcept!AssertError({ assertEq( [1,2], [2,3] ); }) ); assert( !mustExcept!AssertError({ assertEq( [1,2], [1,2] ); }) );
throws AssertError if !eq( a, b )