paulsmith

// Written by claude-3-5-sonnet-20241022, based on https://github.com/paulsmith/aoc2024/blob/main/03/solution.zig

const std = @import("std");
const startsWith = std.mem.startsWith;
const input = @embedFile("input.txt");

const OpType = enum {
    mul,
    do_op,
    dont_op,

paulsmith

package bufscan

type GoToken struct {
	Pos token.Pos
	Tok token.Token
	Lit string
}

type BufGoScanner struct {
	scan *scanner.Scanner

paulsmith

Purpose

Bootstrap knowledge of LLMs ASAP. With a bias/focus to GPT.

Avoid being a link dump. Try to provide only valuable well tuned information.

Prelude

Neural network links before starting with transformers.

paulsmith

/**
 * 8x8 monochrome bitmap fonts for rendering
 * Author: Daniel Hepper <daniel@hepper.net>
 *
 * License: Public Domain
 *
 * Based on:
 * // Summary: font8x8.h
 * // 8x8 monochrome bitmap fonts for rendering
 * //

paulsmith

enum Kind {
    File,
    Directory,
}

struct Entry {
    name: String,
    kind: Kind,
    size: usize,
    parent: Option<usize>,

paulsmith

When to use generics

aka generic guidelines

It's late 2021, and Go is about to add "generics" (i.e., type parameters for types and functions) to upcoming release version 1.18.

Here is some guidance for Go programmers, cribbed from a talk by Ian Lance Taylor.

First, write Go programs by writing code, not by defining types.

paulsmith

The quick brown fox jumps over the lazy dog.

paulsmith

paul@pumpkin:/tmp/SQLite-cf538e27$ python3.7 -c 'import sqlite3; print(sqlite3.connect(":memory").execute("select sqlite_version()").fetchone())'
('3.27.2',)
paul@pumpkin:/tmp/SQLite-cf538e27$ ldd /usr/lib/python3.7/lib-dynload/_sqlite3.cpython-37m-x86_64-linux-gnu.so
	linux-vdso.so.1 (0x00007ffff752e000)
	libsqlite3.so.0 => /usr/lib/x86_64-linux-gnu/libsqlite3.so.0 (0x00007f89e005b000)
	libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f89e003a000)
	libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f89dfe79000)
	libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f89dfcf6000)
	libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f89dfcf1000)
	/lib64/ld-linux-x86-64.so.2 (0x00007f89e01da000)

paulsmith

/* decodes next unicode code point in utf-8-encoded buffer. returns number of bytes                                                                          
   read so stream can be advanced, -1 if invalid utf-8 sequence. */
size_t decode_next_utf8(const unsigned char *str, size_t len, int *cp)
{
  *cp = 0;
  if (*str <= 0x7f) {
    *cp = (int)*str;
    return 1;
  } else if (((*str & 0xe0) == 0xc0) && len > 1) {
    if ((*(str+1) & 0xc0) != 0x80) {

paulsmith

• Intel 4004, first microprocessor: http://www.computerhistory.org/collections/catalog/102658187
• Intel 8008: http://www.computerhistory.org/collections/catalog/102657982
• Intel 8080: http://www.computerhistory.org/collections/catalog/102658123
• Z80: http://www.computerhistory.org/collections/catalog/102658073
• Federico Faggin, SGT inventor, chip designer for 4004, Z80: http://www.computerhistory.org/collections/catalog/102658025
• Bill Mensch, chip designer on 6800/6502/65C02/65816: http://www.computerhistory.org/collections/catalog/102739969
• Motorolla 68000: http://www.computerhistory.org/collections/catalog/102658109
• 3dfx, Voodoo, the seminal GPU: http://www.computerhistory.org/collections/catalog/102746834
• LSI Logic, EDA/fabless innovator: http://www.computerhistory.org/collections/catalog/102746194
• VLSI Technologies, EDA/fabless innovator: http://www.computerhistory.org/collections/catalog/102746456