Merge commit 'd524c6d9' into 2022-10--update-elements (PR #442)

PR 442: Explicitly do not support 16 bit architectures

Author: apoelstra

src/lib.rs

@@ -105,6 +105,11 @@
 #![deny(unused_imports)]
 #![deny(missing_docs)]
 
+#[cfg(target_pointer_width = "16")]
+compile_error!(
+    "elements-miniscript currently only supports architectures with pointers wider than 16 bits"
+);
+
 pub use {bitcoin, elements};
 #[cfg(feature = "serde")]
 pub extern crate serde;