package bonsai
A library for building dynamic webapps, using Js_of_ocaml
Install
dune-project
Dependency
Authors
Maintainers
Sources
v0.17.0.tar.gz
sha256=c78c4476ee6b856846e2d0941e5965009d5e1b853e564b2b1bee61202f0b1ebb
doc/src/bonsai.test_of_bonsai_itself/test_cse_cont.ml.html
Source file test_cse_cont.ml
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Core open! Import open Bonsai_test module Bonsai = struct include Bonsai.Cont module Private = Bonsai.Private end open Bonsai.Let_syntax let dummy_value () = Bonsai.map (opaque_const_value ()) ~f:(fun () -> print_endline "computing!") ;; let use_two_unit_values a b = let%arr () = a and () = b in () ;; let sexp_of_computation c = let module Private = Bonsai.Private in c |> Private.top_level_handle |> Private.Skeleton.Computation.of_computation |> Private.Skeleton.Computation.sanitize_for_testing |> Private.Skeleton.Computation.minimal_sexp_of_t ;; let print_computation c = print_s (sexp_of_computation c) let evaluate component = print_computation component; let _handle = Handle.create ~optimize:true (Result_spec.string (module Unit)) component in () ;; let%expect_test "double-use of a Value.t" = let component _graph = let dummy = dummy_value () in let%map () = dummy and () = dummy in () in evaluate component; [%expect {| (Sub (from (Return (value (Mapn (inputs (Incr)))))) (via (Test 2)) (into ( Sub (from ( Return ( value ( Mapn ( inputs ( (Named (uid (Test 2))) (Named (uid (Test 2))))))))) (via (Test 4)) (into (Return (value (Mapn (inputs ((Named (uid (Test 4)))))))))))) computing! |}] ;; let%expect_test "double-use spanning match%sub with value previously computed" = let component _graph = let a = dummy_value () in let b = match%sub opaque_const_value true with | true -> a | false -> a in use_two_unit_values a b in evaluate component; [%expect {| (Sub (from (Return (value (Mapn (inputs (Incr)))))) (via (Test 2)) (into ( Sub (from (Return (value (Mapn (inputs (Incr)))))) (via (Test 5)) (into ( Sub (from ( Switch (match_ (Named (uid (Test 5)))) (arms ( (Return (value (Named (uid (Test 2))))) (Return (value (Named (uid (Test 2))))))))) (via (Test 6)) (into ( Sub (from ( Return ( value ( Mapn ( inputs ( (Named (uid (Test 2))) (Named (uid (Test 6))))))))) (via (Test 8)) (into (Return (value (Mapn (inputs ((Named (uid (Test 8)))))))))))))))) computing! |}] ;; let%expect_test "double-use with first use inside scope" = let component _graph = let dummy_value = dummy_value () in let a = match%sub opaque_const_value true with | true -> dummy_value | false -> dummy_value in let b = dummy_value in use_two_unit_values a b in evaluate component; [%expect {| (Sub (from (Return (value (Mapn (inputs (Incr)))))) (via (Test 2)) (into ( Sub (from (Return (value (Mapn (inputs (Incr)))))) (via (Test 5)) (into ( Sub (from ( Switch (match_ (Named (uid (Test 5)))) (arms ( (Return (value (Named (uid (Test 2))))) (Return (value (Named (uid (Test 2))))))))) (via (Test 6)) (into ( Sub (from ( Return ( value ( Mapn ( inputs ( (Named (uid (Test 6))) (Named (uid (Test 2))))))))) (via (Test 8)) (into (Return (value (Mapn (inputs ((Named (uid (Test 8)))))))))))))))) computing! |}] ;; let%expect_test "double-use inside of some subs" = let component graph = let v = dummy_value () in let subcomponent _graph = v in let a = subcomponent graph in let b = subcomponent graph in use_two_unit_values a b in evaluate component; [%expect {| (Sub (from (Return (value (Mapn (inputs (Incr)))))) (via (Test 2)) (into ( Sub (from ( Return ( value ( Mapn ( inputs ( (Named (uid (Test 2))) (Named (uid (Test 2))))))))) (via (Test 4)) (into (Return (value (Mapn (inputs ((Named (uid (Test 4)))))))))))) computing! |}] ;; let%expect_test "double-use inside of some nested subs" = let component graph = let dummy_value = dummy_value () in let subcomponent graph = let a = opaque_const () graph in let%map () = a and () = dummy_value in () in let a = subcomponent graph in let b = subcomponent graph in use_two_unit_values a b in evaluate component; [%expect {| (Sub (from (Return (value (Mapn (inputs (Incr)))))) (via (Test 2)) (into ( Sub (from (Return (value (Mapn (inputs (Incr (Named (uid (Test 2))))))))) (via (Test 5)) (into ( Sub (from (Return (value (Mapn (inputs ((Named (uid (Test 5))))))))) (via (Test 7)) (into ( Sub (from (Return (value (Mapn (inputs (Incr (Named (uid (Test 2))))))))) (via (Test 10)) (into ( Sub (from (Return (value (Mapn (inputs ((Named (uid (Test 10))))))))) (via (Test 12)) (into ( Sub (from ( Return ( value ( Mapn ( inputs ( (Named (uid (Test 7))) (Named (uid (Test 12))))))))) (via (Test 14)) (into (Return (value (Mapn (inputs ((Named (uid (Test 14)))))))))))))))))))) computing! |}] ;; let%expect_test "double-use inside supercomponent" = let component graph = let i = opaque_const () graph in let dummy_value = dummy_value () in let subcomponent _graph = let%map () = i and () = dummy_value in print_endline "more computing" in let a = subcomponent graph in let b = subcomponent graph in use_two_unit_values a b in evaluate component; [%expect {| (Sub (from (Return (value (Mapn (inputs (Incr)))))) (via (Test 2)) (into ( Sub (from (Return (value (Mapn (inputs (Incr (Named (uid (Test 2))))))))) (via (Test 5)) (into ( Sub (from (Return (value (Mapn (inputs ((Named (uid (Test 5))))))))) (via (Test 7)) (into ( Sub (from (Return (value (Mapn (inputs (Incr (Named (uid (Test 2))))))))) (via (Test 9)) (into ( Sub (from (Return (value (Mapn (inputs ((Named (uid (Test 9))))))))) (via (Test 11)) (into ( Sub (from ( Return ( value ( Mapn ( inputs ( (Named (uid (Test 7))) (Named (uid (Test 11))))))))) (via (Test 13)) (into (Return (value (Mapn (inputs ((Named (uid (Test 13)))))))))))))))))))) computing! more computing more computing |}] ;; let%expect_test "double-use with first use inside scope" = let component graph = let subcomponent graph = let path = Bonsai.path_id graph in let%map path = path in print_endline ("computing " ^ path); path in let a = subcomponent graph in let b = subcomponent graph in let%map a = a and b = b in a ^ " " ^ b in let handle = Handle.create ~optimize:false (Result_spec.string (module String)) component in [%expect {| computing bonsai_path_y computing bonsai_path_x |}]; Handle.show handle; [%expect {| bonsai_path_x bonsai_path_y |}] ;;