From: Matt Corallo <git@bluematt.me>
Date: Thu, 29 Apr 2021 22:49:40 +0000 (+0000)
Subject: Take parameters to trait functions as mut
X-Git-Tag: v0.0.98~9^2~7
X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=ldk-c-bindings;a=commitdiff_plain;h=21cd454337357652dc354c012a6a6ddd2b711aa5

Take parameters to trait functions as mut

In keeping with "generally, make all variables mut so that
converters can assume inputs are mut", we should do the same for
trait implementation blocks.
---

diff --git a/c-bindings-gen/src/main.rs b/c-bindings-gen/src/main.rs
index 918a05a..fe3746c 100644
--- a/c-bindings-gen/src/main.rs
+++ b/c-bindings-gen/src/main.rs
@@ -388,7 +388,7 @@ fn writeln_trait<'a, 'b, W: std::io::Write>(w: &mut W, t: &'a syn::ItemTrait, ty
 													ident.mutability.is_some() || ident.subpat.is_some() {
 												unimplemented!();
 											}
-											write!(w, ", {}{}: ", if $type_resolver.skip_arg(&*arg.ty, Some(&meth_gen_types)) { "_" } else { "" }, ident.ident).unwrap();
+											write!(w, ", mut {}{}: ", if $type_resolver.skip_arg(&*arg.ty, Some(&meth_gen_types)) { "_" } else { "" }, ident.ident).unwrap();
 										}
 										_ => unimplemented!(),
 									}