|
Last change
on this file since 2248 was
1882,
checked in by tranquil, 9 years ago
|
|
big update, alas incomplete:
joint changed a bit, and all BE languages need to be updated
started development of blocks to aid preservation results, but still incomplete
if it breaks too many things, feel free to roll back
|
|
File size:
895 bytes
|
| Line | |
|---|
| 1 | include "utilities/monad.ma". |
|---|
| 2 | include "basics/types.ma". |
|---|
| 3 | include "basics/lists/list.ma". |
|---|
| 4 | definition Trace ≝ λT : Type[0].MakeMonad (mk_MonadDefinition |
|---|
| 5 | (* the monad *) |
|---|
| 6 | (λX.X × (list T)) |
|---|
| 7 | (* return *) |
|---|
| 8 | (λX,x.〈x, [ ]〉) |
|---|
| 9 | (* bind *) |
|---|
| 10 | (λX,Y,m,f. let 〈x, ts〉 ≝ m in let 〈y,ts'〉 ≝ f x in 〈y, ts @ ts'〉) |
|---|
| 11 | ???). |
|---|
| 12 | [(* bind_bind *) |
|---|
| 13 | #X#Y#Z*#x#t1#f#g |
|---|
| 14 | normalize elim (f x) |
|---|
| 15 | #y#t2 normalize elim (g y) |
|---|
| 16 | #z#t3 normalize >associative_append // |
|---|
| 17 | |(* bind_ret *) |
|---|
| 18 | #X*#x#t normalize >append_nil // |
|---|
| 19 | |(* ret_bind *) |
|---|
| 20 | #X#Y#x#f normalize elim (f x) #y #t' normalize // |
|---|
| 21 | ] |
|---|
| 22 | qed. |
|---|
| 23 | |
|---|
| 24 | include "hints_declaration.ma". |
|---|
| 25 | unification hint 0 ≔ X, T; |
|---|
| 26 | M ≟ Trace T |
|---|
| 27 | (*---------------*) ⊢ |
|---|
| 28 | X × (list T) ≡ monad M X |
|---|
| 29 | . |
|---|
| 30 | |
|---|
| 31 | definition trace_emit : ∀T. T → monad (Trace T) unit ≝ |
|---|
| 32 | λT,t.〈it, [t]〉. |
|---|
| 33 | |
|---|
| 34 | definition trace_emits : ∀T. list T → monad (Trace T) unit ≝ |
|---|
| 35 | λT,ts.〈it, ts〉. |
|---|
| 36 | |
|---|
Note: See
TracBrowser
for help on using the repository browser.
