Avoid mapping optionals as owned pointers

[ldk-c-bindings] / c-bindings-gen / src / blocks.rs

diff --git a/c-bindings-gen/src/blocks.rs b/c-bindings-gen/src/blocks.rs
index 2bbe298189cb54f54d2bfd695ce1be04fe77cf71..9c32ef153918c485cab64a1943ed49361fc2bc47 100644 (file)
--- a/c-bindings-gen/src/blocks.rs
+++ b/c-bindings-gen/src/blocks.rs
@@ -349,6 +349,9 @@ pub fn write_option_block<W: std::io::Write>(w: &mut W, mangled_container: &str,
        writeln!(w, "\t#[allow(unused)] pub(crate) fn is_some(&self) -> bool {{").unwrap();
        writeln!(w, "\t\tif let Self::Some(_) = self {{ true }} else {{ false }}").unwrap();
        writeln!(w, "\t}}").unwrap();
+       writeln!(w, "\t#[allow(unused)] pub(crate) fn is_none(&self) -> bool {{").unwrap();
+       writeln!(w, "\t\t!self.is_some()").unwrap();
+       writeln!(w, "\t}}").unwrap();
        writeln!(w, "\t#[allow(unused)] pub(crate) fn take(mut self) -> {} {{", inner_type).unwrap();
        writeln!(w, "\t\tif let Self::Some(v) = self {{ v }} else {{ unreachable!() }}").unwrap();
        writeln!(w, "\t}}").unwrap();