Assert an absolute difference is greater than or equal to an expression.
Pseudocode: |Δ| ≥ x
use assertables::*; let a = 10; let b = 13; let x = 2; assert_abs_diff_ge_x!(a, b, x);
assert_abs_diff_ge_x
assert_abs_diff_ge_x_as_result
debug_assert_abs_diff_ge_x