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-rwxr-xr-xusers/sterni/exercises/aoc/2021/solutions.bqn9
-rw-r--r--users/sterni/exercises/aoc/lib.bqn8
2 files changed, 9 insertions, 8 deletions
diff --git a/users/sterni/exercises/aoc/2021/solutions.bqn b/users/sterni/exercises/aoc/2021/solutions.bqn
index 4cedb567f9aa..f7247cadf280 100755
--- a/users/sterni/exercises/aoc/2021/solutions.bqn
+++ b/users/sterni/exercises/aoc/2021/solutions.bqn
@@ -4,17 +4,10 @@
 # Utilities
 #
 
-IsAsciiNum ← ('0'⊸≤∧≤⟜'9')
-
-ReadInt ← {(𝕨⊸×+⊣)´∘⌽-⟜'0'𝕩} # stolen from leah2
-ReadDec ← 10⊸ReadInt
+⟨IsAsciiNum,ReadInt,ReadDec,SplitOn,_fix⟩ ← •Import •path∾"/../lib.bqn"
 
 ReadInput ← {•file.Lines ∾ •path‿"/input/day"‿(•Fmt 𝕩)}
 
-SplitOn ← ((⊢ (-1˙)⍟⊣¨ +`∘(1⊸»<⊢))∘(≡¨)⊔⊢)
-
-_fix ← {𝕩 𝕊∘⊢⍟≢ 𝔽 𝕩}
-
 #
 # 2021-12-01
 #
diff --git a/users/sterni/exercises/aoc/lib.bqn b/users/sterni/exercises/aoc/lib.bqn
new file mode 100644
index 000000000000..025102b7760b
--- /dev/null
+++ b/users/sterni/exercises/aoc/lib.bqn
@@ -0,0 +1,8 @@
+IsAsciiNum ⇐ ('0'⊸≤∧≤⟜'9')
+
+ReadInt ⇐ {(𝕨⊸×+⊣)´∘⌽-⟜'0'𝕩} # stolen from leah2
+ReadDec ⇐ 10⊸ReadInt
+
+SplitOn ⇐ ((⊢ (-1˙)⍟⊣¨ +`∘(1⊸»<⊢))∘(≡¨)⊔⊢)
+
+_fix ⇐ {𝕩 𝕊∘⊢⍟≢ 𝔽 𝕩}