Impl Rust version of solution
This commit is contained in:
parent
2c144f0650
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436ad23f7f
3 changed files with 245 additions and 2 deletions
223
rust_impl/Cargo.lock
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223
rust_impl/Cargo.lock
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# This file is automatically @generated by Cargo.
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name = "winapi"
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dependencies = [
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"winapi-x86_64-pc-windows-gnu",
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]
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name = "winapi-i686-pc-windows-gnu"
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@ -7,3 +7,4 @@ edition = "2018"
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
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[dependencies]
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structopt = "0.3.21"
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@ -1,3 +1,22 @@
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fn main() {
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println!("Hello, world!");
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use structopt::StructOpt;
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use std::collections::HashMap;
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#[derive(StructOpt, Debug)]
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#[structopt(name = "RunLengthEncoding")]
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struct Opts {
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input: String,
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}
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fn main() {
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let opts = Opts::from_args();
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let mut map: HashMap<char, u32> = HashMap::new();
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for c in opts.input.chars() {
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map.get_mut(&c).map(|v| *v += 1).or_else(|| {map.insert(c, 1); Some(())});
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}
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for (c, value) in map {
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println!("{} with value {}", c, value);
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}
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}
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