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