Module type `Allowance.Allow_disallow`

type ('a, 'b, 'd) sided constraint 'd = 'l * 'r

val disallow_right : 
  ('a, 'b, 'l * 'r) sided ->
  ('a, 'b, 'l * Allowance.disallowed) sided

Disallows on the right.

val disallow_left : 
  ('a, 'b, 'l * 'r) sided ->
  ('a, 'b, Allowance.disallowed * 'r) sided

Disallows a the left.

val allow_right : 
  ('a, 'b, 'l * Allowance.allowed) sided ->
  ('a, 'b, 'l * 'r) sided

Generalizes a right-hand-side allowed to be any allowance.

val allow_left : 
  ('a, 'b, Allowance.allowed * 'r) sided ->
  ('a, 'b, 'l * 'r) sided

Generalizes a left-hand-side allowed to be any allowance.

Module type Allowance.Allow_disallow