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Charles
2025-03-23 19:08:18 -07:00
parent e246a313dd
commit 66a1f97a21
5 changed files with 298 additions and 19 deletions
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Cargo.lock
Generated
+257 -9
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@@ -2,6 +2,12 @@
# It is not intended for manual editing.
version = 3
[[package]]
name = "bitflags"
version = "2.8.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8f68f53c83ab957f72c32642f3868eec03eb974d1fb82e453128456482613d36"
[[package]]
name = "bytemuck"
version = "1.20.0"
@@ -20,6 +26,21 @@ version = "1.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
[[package]]
name = "cfg_aliases"
version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "613afe47fcd5fac7ccf1db93babcb082c5994d996f20b8b159f2ad1658eb5724"
[[package]]
name = "clipboard-win"
version = "5.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "15efe7a882b08f34e38556b14f2fb3daa98769d06c7f0c1b076dfd0d983bc892"
dependencies = [
"error-code",
]
[[package]]
name = "colored"
version = "2.1.0"
@@ -27,7 +48,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cbf2150cce219b664a8a70df7a1f933836724b503f8a413af9365b4dcc4d90b8"
dependencies = [
"lazy_static",
"windows-sys",
"windows-sys 0.48.0",
]
[[package]]
@@ -40,6 +61,39 @@ dependencies = [
"fnv",
]
[[package]]
name = "endian-type"
version = "0.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c34f04666d835ff5d62e058c3995147c06f42fe86ff053337632bca83e42702d"
[[package]]
name = "errno"
version = "0.3.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
"libc",
"windows-sys 0.59.0",
]
[[package]]
name = "error-code"
version = "3.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a5d9305ccc6942a704f4335694ecd3de2ea531b114ac2d51f5f843750787a92f"
[[package]]
name = "fd-lock"
version = "4.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7e5768da2206272c81ef0b5e951a41862938a6070da63bcea197899942d3b947"
dependencies = [
"cfg-if",
"rustix",
"windows-sys 0.52.0",
]
[[package]]
name = "fnv"
version = "1.0.7"
@@ -57,6 +111,15 @@ dependencies = [
"wasi",
]
[[package]]
name = "home"
version = "0.5.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "589533453244b0995c858700322199b2becb13b627df2851f64a2775d024abcf"
dependencies = [
"windows-sys 0.59.0",
]
[[package]]
name = "lazy_static"
version = "1.5.0"
@@ -69,6 +132,18 @@ version = "0.2.164"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "433bfe06b8c75da9b2e3fbea6e5329ff87748f0b144ef75306e674c3f6f7c13f"
[[package]]
name = "linux-raw-sys"
version = "0.4.15"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d26c52dbd32dccf2d10cac7725f8eae5296885fb5703b261f7d0a0739ec807ab"
[[package]]
name = "log"
version = "0.4.25"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "04cbf5b083de1c7e0222a7a51dbfdba1cbe1c6ab0b15e29fff3f6c077fd9cd9f"
[[package]]
name = "memchr"
version = "2.7.4"
@@ -81,6 +156,27 @@ version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
[[package]]
name = "nibble_vec"
version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "77a5d83df9f36fe23f0c3648c6bbb8b0298bb5f1939c8f2704431371f4b84d43"
dependencies = [
"smallvec",
]
[[package]]
name = "nix"
version = "0.29.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "71e2746dc3a24dd78b3cfcb7be93368c6de9963d30f43a6a73998a9cf4b17b46"
dependencies = [
"bitflags",
"cfg-if",
"cfg_aliases",
"libc",
]
[[package]]
name = "nom"
version = "7.1.3"
@@ -118,6 +214,16 @@ dependencies = [
"proc-macro2",
]
[[package]]
name = "radix_trie"
version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c069c179fcdc6a2fe24d8d18305cf085fdbd4f922c041943e203685d6a1c58fd"
dependencies = [
"endian-type",
"nibble_vec",
]
[[package]]
name = "rand"
version = "0.8.5"
@@ -163,9 +269,51 @@ version = "0.1.0"
dependencies = [
"nom",
"rand",
"rustyline",
"textplots",
]
[[package]]
name = "rustix"
version = "0.38.44"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fdb5bc1ae2baa591800df16c9ca78619bf65c0488b41b96ccec5d11220d8c154"
dependencies = [
"bitflags",
"errno",
"libc",
"linux-raw-sys",
"windows-sys 0.59.0",
]
[[package]]
name = "rustyline"
version = "15.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2ee1e066dc922e513bda599c6ccb5f3bb2b0ea5870a579448f2622993f0a9a2f"
dependencies = [
"bitflags",
"cfg-if",
"clipboard-win",
"fd-lock",
"home",
"libc",
"log",
"memchr",
"nix",
"radix_trie",
"unicode-segmentation",
"unicode-width",
"utf8parse",
"windows-sys 0.59.0",
]
[[package]]
name = "smallvec"
version = "1.13.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3c5e1a9a646d36c3599cd173a41282daf47c44583ad367b8e6837255952e5c67"
[[package]]
name = "syn"
version = "2.0.89"
@@ -193,6 +341,24 @@ version = "1.0.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "adb9e6ca4f869e1180728b7950e35922a7fc6397f7b641499e8f3ef06e50dc83"
[[package]]
name = "unicode-segmentation"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "unicode-width"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "utf8parse"
version = "0.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "wasi"
version = "0.11.0+wasi-snapshot-preview1"
@@ -205,7 +371,25 @@ version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "677d2418bec65e3338edb076e806bc1ec15693c5d0104683f2efe857f61056a9"
dependencies = [
"windows-targets",
"windows-targets 0.48.5",
]
[[package]]
name = "windows-sys"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
"windows-targets 0.52.6",
]
[[package]]
name = "windows-sys"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
"windows-targets 0.52.6",
]
[[package]]
@@ -214,13 +398,29 @@ version = "0.48.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9a2fa6e2155d7247be68c096456083145c183cbbbc2764150dda45a87197940c"
dependencies = [
"windows_aarch64_gnullvm",
"windows_aarch64_msvc",
"windows_i686_gnu",
"windows_i686_msvc",
"windows_x86_64_gnu",
"windows_x86_64_gnullvm",
"windows_x86_64_msvc",
"windows_aarch64_gnullvm 0.48.5",
"windows_aarch64_msvc 0.48.5",
"windows_i686_gnu 0.48.5",
"windows_i686_msvc 0.48.5",
"windows_x86_64_gnu 0.48.5",
"windows_x86_64_gnullvm 0.48.5",
"windows_x86_64_msvc 0.48.5",
]
[[package]]
name = "windows-targets"
version = "0.52.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9b724f72796e036ab90c1021d4780d4d3d648aca59e491e6b98e725b84e99973"
dependencies = [
"windows_aarch64_gnullvm 0.52.6",
"windows_aarch64_msvc 0.52.6",
"windows_i686_gnu 0.52.6",
"windows_i686_gnullvm",
"windows_i686_msvc 0.52.6",
"windows_x86_64_gnu 0.52.6",
"windows_x86_64_gnullvm 0.52.6",
"windows_x86_64_msvc 0.52.6",
]
[[package]]
@@ -229,42 +429,90 @@ version = "0.48.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2b38e32f0abccf9987a4e3079dfb67dcd799fb61361e53e2882c3cbaf0d905d8"
[[package]]
name = "windows_aarch64_gnullvm"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
name = "windows_aarch64_msvc"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "windows_aarch64_msvc"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "windows_i686_gnu"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "zerocopy"
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Cargo.toml
+1
View File
@@ -6,4 +6,5 @@ edition = "2021"
[dependencies]
nom = "7.1.3"
rand = "0.8.5"
rustyline = "15.0.0"
textplots = "0.8.6"
src/bucket.rs
+12
View File
@@ -40,6 +40,18 @@ impl<const S: usize> Buckets<S> {
self._buckets[pp] += 1;
}
pub fn percent(&self, val: i64) -> f64 {
let mut total = 0;
let mut less_than = 0;
for i in 0..self._buckets.len() {
total += self._buckets[i];
if self._offsets[i] < val {
less_than += self._buckets[i];
}
}
less_than as f64 / total as f64
}
pub fn buckets(&self) -> &[u64] {
&self._buckets[..]
}
src/main.rs
+19 -5
View File
@@ -1,15 +1,25 @@
use rand::thread_rng;
use rust_roller::{Buckets, Roller};
use std::io::{self, BufRead, Write};
use std::io::{self, Write};
use textplots::{Chart, Plot, Shape};
use rustyline::error::ReadlineError;
use rustyline::DefaultEditor;
fn main() {
let mut roller = Roller::default();
let stdin = io::stdin();
print!("> ");
let mut rl = DefaultEditor::new().unwrap();
io::stdout().flush().unwrap();
for line in stdin.lock().lines() {
let line = line.unwrap();
loop {
let readline = rl.readline("> ");
let line = match readline {
Ok(line) => line,
Err(ReadlineError::Interrupted) | Err(ReadlineError::Eof) => break,
Err(e) => {
println!("Error {:?}", e);
continue;
},
};
rl.add_history_entry(line.as_str()).unwrap();
match roller.parse(&line) {
Ok(r) => r,
Err(e) => {
@@ -40,6 +50,10 @@ fn main() {
)
.lineplot(&Shape::Bars(&points))
.display();
// Roll one dice
let ans = roller.roll(&mut thread_rng());
// println!("Roller: {:?}", roller);
println!("You rolled {} (p={})", ans, bins.percent(ans));
print!("> ");
io::stdout().flush().unwrap();
}
src/roller.rs
+7 -3
View File
@@ -3,6 +3,7 @@ use nom::{
};
use rand::Rng;
#[derive(Debug)]
pub struct Roller<const S: usize> {
exprs: [Option<Cmd>; S],
}
@@ -34,8 +35,8 @@ impl<const S: usize> Roller<S> {
// Implementation detail of this struct; we don't zero out the
// expression between parses, instead, just set the n+1 one to
// None. This will cause roll to stop.
if limit+1 < self.exprs.len() {
self.exprs[limit+1] = None;
if limit < self.exprs.len() {
self.exprs[limit] = None;
}
Ok(())
}
@@ -112,11 +113,13 @@ fn parse<'a, 'b>(mut expr: &'a str, exprs: &'b mut [Option<Cmd>]) -> Result<usiz
Ok(i)
}
#[derive(Debug)]
struct Cmd {
oper: Oper,
term: Term,
}
#[derive(Debug)]
enum Term {
Roll(Roll),
Const(u64),
@@ -145,12 +148,13 @@ impl Term {
}
}
#[derive(Clone, Copy)]
#[derive(Clone, Copy, Debug)]
enum Oper {
Add,
Sub,
}
#[derive(Debug)]
struct Roll {
reps: u64,
dice: u64,