Initial data commit

Task/Modular-arithmetic/Jq/modular-arithmetic-1.jq

@@ -0,0 +1,6 @@
+def assert($e; $msg): if $e then . else "assertion violation @ \($msg)" | error end;
+
+def is_integer: type=="number" and floor == .;
+
+# To take advantage of gojq's arbitrary-precision integer arithmetic:
+def power($b): . as $in | reduce range(0;$b) as $i (1; . * $in);