nim example

.gitignore

@@ -1,4 +1,7 @@
 Rust/*/target/
+Nim/*/*
+!Nim/*/*.*
+!Nim/*/*/
 Zig/*/zig-cache/
 Zig/*/zig-out/
 .idea/

Nim/README.md

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+# Nim Examples
+
+
+
+todo
+
+
+
+
+
+For setting up your environment and installing the necessary tools, see [the Enarx documentation on using WebAssembly with Nim](https://enarx.dev/docs/WebAssembly/Nim).
+
+nim c -r -d:release fibonacci.nim
+
+or
+
+nimble run
+nimble run -- 10

Nim/fibonacci/fibonacci.nimble

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+# Package
+
+version       = "0.1.0"
+author        = "Profian"
+description   = "Fibonacci example."
+license       = "Apache-2.0"
+srcDir        = "src"
+bin           = @["fibonacci"]
+
+
+# Dependencies
+
+requires "nim >= 1.6.6"

Nim/fibonacci/src/fibonacci.nim

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+import std/os, std/parseutils, std/rdstdin, std/strformat
+
+proc fib(n: int): int =
+  case n:
+    of 0, 1:
+      n
+    else:
+      fib(n - 1) + fib(n - 2)
+
+proc main =
+  var args = commandLineParams()
+
+  if args.len == 0:
+    var line: string
+
+    if not readLineFromStdin("Enter a non-negative number: ", line):
+      echo ("Failed to read line")
+      quit QuitFailure
+
+    args.add(line)
+
+  var index: int
+
+  for arg in args:
+    if arg.parseInt(index) == 0:
+      echo fmt("Failed to parse number: {arg}")
+      quit QuitFailure
+
+    echo (fmt"Fibonacci sequence number at index {index} is {fib(index)}")
+
+when isMainModule:
+  main()