extract day and typealias from macro

2022/setup_day.sh

@@ -7,21 +7,10 @@ echo '#![feature(test)]
 extern crate test;
 use aoc2022::{boilerplate, common::*};
 
-fn parse_input(raw: &str) -> Parsed {
-    unimplemented!()
-}
-
-fn part1(parsed: &Parsed) -> usize {
-    unimplemented!()
-}
-
-fn part2(parsed: &Parsed) -> usize {
-    unimplemented!()
-}
+const DAY: usize = 0;
+type Parsed = Vec<usize>;
 
 boilerplate! {
-    DAY = '$today',
-    type = Vec<usize>,
     TEST_INPUT == "",
     tests: {
         part1: { TEST_INPUT => 0 },
@@ -30,4 +19,16 @@ boilerplate! {
     bench1 == 0,
     bench2 == 0,
     parse: Vec::len => 0,
+}
+
+fn parse_input(raw: &str) -> Parsed {
+    parse_nums()
+}
+
+fn part1(parsed: &Parsed) -> usize {
+    unimplemented!()
+}
+
+fn part2(parsed: &Parsed) -> usize {
+    unimplemented!()
 }' > src/bin/day$today.rs

2022/src/bin/day0.rs

@@ -2,6 +2,28 @@
 extern crate test;
 use aoc2022::{boilerplate, common::*};
 
+const DAY: usize = 0;
+type Parsed = Vec<usize>;
+
+boilerplate! {
+    TEST_INPUT == "1721
+979
+366
+299
+675
+1456",
+    tests: {
+        part1: {
+            TEST_INPUT => 514579,
+            "1234\n786" => 969924,
+        },
+        part2: { TEST_INPUT => 241861950 },
+    },
+    bench1 == 731731,
+    bench2 == 116115990,
+    parse: Vec::len => 200,
+}
+
 /// Naive solution for a previous day 1,
 /// just to test my test setup for this year.
 
@@ -32,24 +54,3 @@ fn part2(parsed: &Parsed) -> usize {
     }
     unreachable!()
 }
-
-boilerplate! {
-    DAY = 0,
-    type = Vec<usize>,
-    TEST_INPUT == "1721
-979
-366
-299
-675
-1456",
-    tests: {
-        part1: {
-            TEST_INPUT => 514579,
-            "1234\n786" => 969924,
-        },
-        part2: { TEST_INPUT => 241861950 },
-    },
-    bench1 == 731731,
-    bench2 == 116115990,
-    parse: Vec::len => 200,
-}

2022/src/teststuff.rs

@@ -1,8 +1,6 @@
 #[macro_export]
 macro_rules! boilerplate {
     (
-        DAY = $day: literal,
-        type = $type: ty,
         TEST_INPUT == $ti: literal,
         tests: {
             $($part: ident: { $($tpi: expr => $to: literal$(,)?)+ }$(,)?)*
@@ -11,9 +9,6 @@ macro_rules! boilerplate {
         bench2 == $b2: literal,
         parse: $input_fn: expr => $it: literal$(,)?
     ) => {
-    const DAY: usize = $day;
-    type Parsed = $type;
-
     fn main() {
         let input = parse_input(&read_file(DAY));
         println!("Part 1: {}", part1(&input));