notc

A dynamic language that puts C to shame. (jk, I built this to understand how langauges are designed from the ground up)

Quick Start

To utilize the REPL, run ./notc, or provide it a file.

$ git clone https://github.com/EhsaanIqbal/notc
$ go build
$ ./notc examples/basic.notc

The Language

Explore: examples

Types

notc supports the following data types: null, bool, int, str, array, and fn. The int type signifies a signed 64-bit integer, while strings are immutable arrays of bytes, and arrays can dynamically grow.

Variable Bindings

>> let x = 10

Math

>> let x = 10
>> let y = x * 2
>> (x + y) / 2 - 3
12

Conditional Expressions

notc supports if and else:

>> let x = 10
>> let y = x * 2
>> if (x > y) { print("x is greater") } else { print("y is greater") }
x is greater

Functions and Closures

You can define named or anonymous functions, including functions within functions that reference outer variables (known as closures).

>> multiply := fn(x, y) { x * y }
>> multiply(50 / 2, 1 * 2)
50
>> fn(x) { x + 10 }(10)
20
>> newAdder := fn(x) { fn(y) { x + y } }
>> addTwo := newAdder(2)
>> addTwo(3)
5
>> sub := fn(a, b) { a - b }
>> applyFunc := fn(a, b, func) { func(a, b) }
>> applyFunc(10, 2, sub)
8

Strings

>> let x = "hello"
>> print(x + "mars")
hello mars

Arrays

>> myArray := ["x", "y", 1, fn(x) { x * x }]
>> myArray[0]
x
>> myArray[4 - 2]
1

Builtin Functions

len(iterable) Returns the length of the iterable (str, array).
print(value...) Outputs the value(s) to standard output followed by a newline.
push(array, value) Returns a new array with value added to the end of array.

ehsaaniqbal/notc