add itertools

2023/Cargo.lock

@@ -24,6 +24,7 @@ dependencies = [
  "aoc-parse",
  "chrono",
  "dhat",
+ "itertools",
  "num",
  "pathfinding",
  "pico-args",
@@ -164,6 +165,12 @@ dependencies = [
  "thousands",
 ]
 
+[[package]]
+name = "either"
+version = "1.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "11157ac094ffbdde99aa67b23417ebdd801842852b500e395a45a9c0aac03e4a"
+
 [[package]]
 name = "equivalent"
 version = "1.0.1"
@@ -230,6 +237,15 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "itertools"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba291022dbbd398a455acf126c1e341954079855bc60dfdda641363bd6922569"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.9"

2023/Cargo.toml

@@ -30,4 +30,5 @@ dhat = { version = "0.3.2", optional = true }
 num = "0.4.1"
 pathfinding = "4.8.2"
 pico-args = "0.5.0"
-tinyjson = "2.5.1"
+tinyjson = "2.5.1"
+itertools = "0.12.1"