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Remove unused field, triggering a compiler warning #300

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Merged
merged 2 commits into from
Dec 7, 2024
Merged

Remove unused field, triggering a compiler warning #300

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e7ef1d5
Remove unread fun_gen field from QCheck2's fun_repr_tbl type
jmid Dec 6, 2024
e9eec09
Add a CHANGELOG entry
jmid Dec 6, 2024
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3 changes: 2 additions & 1 deletion CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,8 @@

## NEXT RELEASE

- ...
- Remove unread `fun_gen` field from `QCheck2`'s `fun_repr_tbl` type
thereby silencing a compiler warning

## 0.22

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7 changes: 3 additions & 4 deletions src/core/QCheck2.ml
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Expand Up @@ -1169,7 +1169,6 @@ end
(** Internal representation of functions, used for shrinking and printing (in case of error). *)
type ('a, 'b) fun_repr_tbl = {
fun_tbl: ('a, 'b) Poly_tbl.t; (** Input-output bindings *)
fun_gen: 'b Gen.t; (** How to generate output values *)
fun_print: 'b Print.t option; (** How to print output values *)
fun_default: 'b; (** Default value for all inputs not explicitly mapped in {!fun_tbl} *)
}
Expand Down Expand Up @@ -1203,8 +1202,8 @@ module Fn = struct

let make_ (r : 'a fun_repr) : 'a fun_ = Fun (r, function_of_repr r)

let mk_repr tbl gen ?print def =
Fun_tbl { fun_tbl=tbl; fun_gen=gen; fun_print=print; fun_default=def; }
let mk_repr tbl ?print def =
Fun_tbl { fun_tbl=tbl; fun_print=print; fun_default=def; }

let map_repr f repr = Fun_map (f, repr)

Expand Down Expand Up @@ -1233,7 +1232,7 @@ module Fn = struct
(** [gen_rep obs gen] creates a function generator. Input values are observed with [obs] and
output values are generated with [gen]. *)
let gen_rep (obs : 'a Observable.t) ?(print : 'b Print.t option) (gen : 'b Gen.t) : ('a -> 'b) fun_repr Gen.t =
Gen.liftA2 (fun default_value poly_tbl -> mk_repr poly_tbl gen ?print default_value) gen (Poly_tbl.create ?v_print:print obs gen 8)
Gen.liftA2 (fun default_value poly_tbl -> mk_repr poly_tbl ?print default_value) gen (Poly_tbl.create ?v_print:print obs gen 8)

let gen (obs : 'a Observable.t) ?(print : 'b Print.t option) (gen : 'b Gen.t) : ('a -> 'b) fun_ Gen.t =
Gen.map make_ (gen_rep obs gen ?print)
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