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documentation update

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Signed-off-by: Wolfgang Bumiller <w.bumiller@proxmox.com>
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Wolfgang Bumiller 2021-11-25 10:24:10 +01:00
parent 0044cdcef4
commit b78b6ceb94
2 changed files with 15 additions and 7 deletions
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4
README.md
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@ -53,10 +53,6 @@ Pending Changes before 1.0
files, we only need to call bootstrap functions after all.
(So we may not even need to parse the rust code, rather, just provide a list
of perl packages to create...)
* Add prototypes to exported functions.
* Allow "trailing" `Option` parameters to be skipped in perl.
eg. `fn foo(x: u32, y: Option<u32>);` should be callable as `foo(1)`, rather than requiring
`foo(1, undef)`.
Current recommended usage.
==========================

18
perlmod/src/lib.rs
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@ -70,9 +70,21 @@ pub use perlmod_macro::package;
/// Attribute to export a function so that it can be installed as an `xsub` in perl. See the
/// [`package!`](macro@package) macro for a usage example.
///
/// This macro can optionally take a `raw_return` argument specifying that the return type, which
/// must be a [`Value`], will be returned as is, and not go through serialization. As of perlmod
/// 0.6, serialization of a [`Value`] will not produce a clone, so this is mostly an optimization.
/// This macro has the following optional arguments:
///
/// * `raw_return`: specifies that the return type, which must be a [`Value`], will be returned as
/// is, and not go through serialization. As of perlmod
/// 0.6, serialization of a [`Value`] will not produce a clone, so this is mostly an
/// optimization.
/// * `prototype`: The perl prototype for the function. By default, this will be guessed from the
/// parameters as a chain of '$', with trailing `Option<>` parameters behind a `;`. So for
/// example, an `fn(i32, Option<i32>, i32, Option<i32>)` has the prototype `$$$;$`.
/// * `xs_name`: override the name of the exported xsub, this is not recommended and only makes
/// sense when *not* using the `#[package]` macro, as with the `#[package]` macro, these aren't
/// publicly visible.
/// * `name`: the name the function should be using in perl. This only makes sense with the
/// `#[package]` macro, as otherwise the user is responsible for loading the function via perl's
/// `DynaLoader` on their own.
///
/// Additionally, function parameters can also use the following attributes:
///