From 2f2c465ed15d06f9bac021f14c63506cfe700ae9 Mon Sep 17 00:00:00 2001
From: David LeGare <legare@google.com>
Date: Wed, 2 Mar 2022 16:21:22 +0000
Subject: Update serde_json to 1.0.79

Test: cd external/rust/crates && atest --host -c
Change-Id: Ic547cf00640b27bac6afe4f77c3c546d472c3d6e
---
 tests/macros/mod.rs | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 tests/macros/mod.rs

(limited to 'tests/macros/mod.rs')

diff --git a/tests/macros/mod.rs b/tests/macros/mod.rs
new file mode 100644
index 0000000..8ac4619
--- /dev/null
+++ b/tests/macros/mod.rs
@@ -0,0 +1,59 @@
+macro_rules! json_str {
+    ([]) => {
+        "[]"
+    };
+    ([ $e0:tt $(, $e:tt)* $(,)? ]) => {
+        concat!("[",
+            json_str!($e0),
+            $(",", json_str!($e),)*
+        "]")
+    };
+    ({}) => {
+        "{}"
+    };
+    ({ $k0:tt : $v0:tt $(, $k:tt : $v:tt)* $(,)? }) => {
+        concat!("{",
+            stringify!($k0), ":", json_str!($v0),
+            $(",", stringify!($k), ":", json_str!($v),)*
+        "}")
+    };
+    (($other:tt)) => {
+        $other
+    };
+    ($other:tt) => {
+        stringify!($other)
+    };
+}
+
+macro_rules! pretty_str {
+    ($json:tt) => {
+        pretty_str_impl!("", $json)
+    };
+}
+
+macro_rules! pretty_str_impl {
+    ($indent:expr, []) => {
+        "[]"
+    };
+    ($indent:expr, [ $e0:tt $(, $e:tt)* $(,)? ]) => {
+        concat!("[\n  ",
+            $indent, pretty_str_impl!(concat!("  ", $indent), $e0),
+            $(",\n  ", $indent, pretty_str_impl!(concat!("  ", $indent), $e),)*
+        "\n", $indent, "]")
+    };
+    ($indent:expr, {}) => {
+        "{}"
+    };
+    ($indent:expr, { $k0:tt : $v0:tt $(, $k:tt : $v:tt)* $(,)? }) => {
+        concat!("{\n  ",
+            $indent, stringify!($k0), ": ", pretty_str_impl!(concat!("  ", $indent), $v0),
+            $(",\n  ", $indent, stringify!($k), ": ", pretty_str_impl!(concat!("  ", $indent), $v),)*
+        "\n", $indent, "}")
+    };
+    ($indent:expr, ($other:tt)) => {
+        $other
+    };
+    ($indent:expr, $other:tt) => {
+        stringify!($other)
+    };
+}
-- 
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