Nim in Action

Nim Reference

Common constructs
const x = 5	Compile-time constant
let y = "Hello"	Immutable binding
var z = [1, 2, 3]	Mutable variable
proc name(param: int): ReturnType = body
method name(param: float): ReturnType = body
iterator items(list: seq[int]): int = body
template name(param: typed) = body
macro name(param: string): untyped = body
if x > 5: bodyelif y == "Hello": bodyelse: body	case xof 5: bodyof 1, 2, 3: bodyof 6..30: body
for item in list: body	for i in 0..<len(list): body
while x == 5: if y.len > 0: break else: continue	try: raise errexcept Exception as exc: echo(exc.msg)finally: discard

Input/Output
echo(x, 42, "text")	readFile("file.txt")
stdout.write("text ...