subtraction, with check for overflow

Precondition

pre else
  debug: !(overflow_on_sub other)
  debug: !(underflow_on_sub other)

Inherited from numeric.infix -

pre
  debug: (numeric.this -! other)

redefines:

0.095dev (GIT hash 09dff08de289bbb6f7136c7e2f8c66dcc1856bba)

last changed: 2026-04-16

infix -

num.wrap_around.infix -