From: Matt Corallo <git@bluematt.me>
Date: Mon, 29 Mar 2021 19:23:21 +0000 (-0400)
Subject: Add constructor utilities for generated Option<> types
X-Git-Tag: v0.0.98~19^2~1
X-Git-Url: http://git.bitcoin.ninja/index.cgi?p=ldk-c-bindings;a=commitdiff_plain;h=bdbc2f084dd2a2ffcec1e4f713bfea8ebbe3baa3

Add constructor utilities for generated Option<> types
---

diff --git a/c-bindings-gen/src/blocks.rs b/c-bindings-gen/src/blocks.rs
index b662261..4f957ce 100644
--- a/c-bindings-gen/src/blocks.rs
+++ b/c-bindings-gen/src/blocks.rs
@@ -315,6 +315,16 @@ pub fn write_option_block<W: std::io::Write>(w: &mut W, mangled_container: &str,
 	writeln!(w, "\t}}").unwrap();
 	writeln!(w, "}}").unwrap();
 
+	writeln!(w, "#[no_mangle]").unwrap();
+	writeln!(w, "pub extern \"C\" fn {}_some(o: {}) -> {} {{", mangled_container, inner_type, mangled_container).unwrap();
+	writeln!(w, "\t{}::Some(o)", mangled_container).unwrap();
+	writeln!(w, "}}").unwrap();
+
+	writeln!(w, "#[no_mangle]").unwrap();
+	writeln!(w, "pub extern \"C\" fn {}_none() -> {} {{", mangled_container, mangled_container).unwrap();
+	writeln!(w, "\t{}::None", mangled_container).unwrap();
+	writeln!(w, "}}").unwrap();
+
 	writeln!(w, "#[no_mangle]").unwrap();
 	writeln!(w, "pub extern \"C\" fn {}_free(_res: {}) {{ }}", mangled_container, mangled_container).unwrap();
 	if clonable {