monkey-go

Monkey programming language

from Writing an interpreter in Go book

let five = 5;

let ten = 10;

let add = fn (x, y) {
  x + y;
}

let result = add(five, tne);

Macros

>> let unless = macro(condition, consequence, alternative) { quote(if (!(unquote(condition))) { unquote(consequence); } else { unquote(alternative); }); };
>> unless(10 > 5, puts("not greater"), puts("greater"));
greater
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