enso: Init repo

tests/config.nims

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+switch("path", "$projectDir/../src")

tests/test.nim

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+import enso
+import std/strformat
+
+proc unsafe_void(str: string) =
+  echo str
+
+proc unsafe_int(str: string): int =
+  echo str
+  result = 1
+
+func add_two(x: int): int = x + 2
+
+func main() =
+  run strput("Hello from Enso!")
+
+  let
+    out_void: IO[void] = lift do(): unsafe_void("void")
+    out_int:  IO[int]  = lift proc(): int = unsafe_int("int")
+
+  out_void()
+  run strput(fmt"{out_int()}")
+
+  let
+    num_list:   IO[seq[int]] = to_IO @[1, 2, 3, 4, 5]
+    list_added: IO[seq[int]] = num_list.map(add_two)
+
+  run strput(fmt"{list_added()}")
+
+  run strput("Enter a string")
+  let read: IO[string] = readstr(STDIN)
+  run strput(read())
+
+when isMainModule:
+  main()