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Integer/Number and uint(8,16,32,64bit) fun... ;)

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Johannes Findeisen 2025-09-16 12:29:28 +02:00
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examples/uint_types.fun Executable file
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#!/usr/bin/env fun
/*
* This file is part of the Fun programming language.
* https://hanez.org/project/fun/
*
* Copyright 2025 Johannes Findeisen <you@hanez.org>
* Licensed under the terms of the ISC license.
* https://opensource.org/license/isc-license-txt
*/
// Unsigned integer type examples with wrapping behavior
uint8 u8 = 255
uint16 u16 = 65535
uint32 u32 = 4294967295
uint64 u64 = 18446744073709551615 // will wrap to 64-bit
print("u8 = " + to_string(u8) + " :: " + typeof(u8))
print("u16 = " + to_string(u16) + " :: " + typeof(u16))
print("u32 = " + to_string(u32) + " :: " + typeof(u32))
print("u64 = " + to_string(u64) + " :: " + typeof(u64))
// Demonstrate wrapping on assignment
u8 = 256 // wraps to 0
u16 = 65536 // wraps to 0
u32 = 4294967296 // wraps to 0
u64 = 18446744073709551616 // wraps to 0
print("wrap u8 -> " + to_string(u8))
print("wrap u16 -> " + to_string(u16))
print("wrap u32 -> " + to_string(u32))
print("wrap u64 -> " + to_string(u64))
// Mixed arithmetic then wrapping
u8 = 250
u8 = u8 + 10 // 260 -> wrap 260 % 256 = 4
print("u8 after +10 wrap -> " + to_string(u8))
// 'number' maps to 64-bit unsigned behavior
number n = -1 // will clamp/wrap to 64-bit (implementation-defined display)
print("number n = " + to_string(n) + " :: " + typeof(n))