Resguardo inicial

linux-7.2.3/samples/rust/hostprogs/.gitignore

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+# SPDX-License-Identifier: GPL-2.0
+
+single

linux-7.2.3/samples/rust/hostprogs/Makefile

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+# SPDX-License-Identifier: GPL-2.0
+
+hostprogs-always-y := single
+
+single-rust := y

linux-7.2.3/samples/rust/hostprogs/a.rs

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+// SPDX-License-Identifier: GPL-2.0
+
+//! Rust single host program sample: module `a`.
+
+pub(crate) fn f(x: i32) {
+    println!("The number is {}.", x);
+}

linux-7.2.3/samples/rust/hostprogs/b.rs

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+// SPDX-License-Identifier: GPL-2.0
+
+//! Rust single host program sample: module `b`.
+
+pub(crate) const CONSTANT: i32 = 42;

linux-7.2.3/samples/rust/hostprogs/single.rs

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+// SPDX-License-Identifier: GPL-2.0
+
+//! Rust single host program sample.
+
+mod a;
+mod b;
+
+fn main() {
+    println!("Hello world!");
+
+    a::f(b::CONSTANT);
+}