Automatically install printers marked with [@@ocaml.toplevel_printer] #269
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Scan newly loaded cmi files for values marked with the [@@ocaml.toplevel_printer] attribute and automatically install them as toplevel printers.
ghost
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This is a good idea! Still failing on 4.03 with |
Signed-off-by: Jeremie Dimino <jeremie@dimino.org>
ghost
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Oops, indeed I got the condition wrong. It's fixed now. |
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Looks like all checks are successful, so I'll merge this. That said, shouldn't it be documented? |
avsm
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Jan 31, 2019
CHANGES: The new feature in this release is to automatically install printers marked with `[@@ocaml.toplevel_printer]` (ocaml-community/utop#269 @diml). Adding this annotation to your libraries will remove the need to have a separate `top` package to install the printers. For example, in the [uri](https://github.com/mirage/ocaml-uri) library, the old printing function for `Uri.t` was: ``` val pp_hum : Format.formatter -> t -> unit ``` Just adding this annotation results in `Uri.t` values being automatically pretty printed in this version of utop. ``` val pp_hum : Format.formatter -> t -> unit [@@ocaml.toplevel_printer] ``` * Add cool screenshot to README (ocaml-community/utop#259 @rizo) and update links (ocaml-community/utop#257 @bobot) * Improve robustness by using more tail-recursive functions (ocaml-community/utop#251 @gpetiot) * Remove deprecation warnings in newer compilers (ocaml-community/utop#246 @ncihnegn) * Minimum OCaml version supported is now 4.03.0 (ocaml-community/utop#254 @XVilka) * Publish API documentation online and add `doc:` entry to opam file (ocaml-community/utop#270 @avsm) * Port build to dune from jbuilder (ocaml-community/utop#268 @avsm) * Upgrade local opam metadata to opam 2.0 format (ocaml-community/utop#268 @avsm)
This was referenced Mar 15, 2019
brendanzab
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Nov 11, 2024
As of ocaml-community/utop#269 utop automatically installs printers marked with the `[@@ocaml.toplevel_printer]` attribute.
brendanzab
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Nov 11, 2024
As of ocaml-community/utop#269 utop automatically installs printers marked with the `[@@ocaml.toplevel_printer]` attribute.
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This PR makes utop automatically install as printer all functions marked with
[@@ocaml.toplevel_printer]in mli files. This gives a very simple way for users to define new toplevel printers.