Added itertools

Cargo.lock

@@ -26,6 +26,12 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "either"
+version = "1.10.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "11157ac094ffbdde99aa67b23417ebdd801842852b500e395a45a9c0aac03e4a"
+
 [[package]]
 name = "getrandom"
 version = "0.2.12"
@@ -37,6 +43,15 @@ dependencies = [
  "wasi",
 ]
 
+[[package]]
+name = "itertools"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba291022dbbd398a455acf126c1e341954079855bc60dfdda641363bd6922569"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "libc"
 version = "0.2.153"
@@ -65,6 +80,7 @@ name = "ops"
 version = "0.1.0"
 dependencies = [
  "anyhow",
+ "itertools",
  "rand",
  "termion",
 ]

Cargo.toml

@@ -5,5 +5,6 @@ edition = "2021"
 
 [dependencies]
 anyhow = "1.0.80"
+itertools = "0.12.1"
 rand = "0.8.5"
 termion = "3.0.0"