RosettaCodeData/Task/Abbreviations-easy/Rust/abbreviations-easy.rust
2023-07-01 13:44:08 -04:00

33 lines
1.5 KiB
Text

use std::collections::HashMap;
fn main() {
let commands = "
Add ALTer BAckup Bottom CAppend Change SCHANGE CInsert CLAst COMPress COpy \
COUnt COVerlay CURsor DELete CDelete Down DUPlicate Xedit EXPand EXTract Find \
NFind NFINDUp NFUp CFind FINdup FUp FOrward GET Help HEXType Input POWerinput \
Join SPlit SPLTJOIN LOAD Locate CLocate LOWercase UPPercase LPrefix MACRO \
MErge MODify MOve MSG Next Overlay PARSE PREServe PURge PUT PUTD Query QUIT \
READ RECover REFRESH RENum REPeat Replace CReplace RESet RESTore RGTLEFT \
RIght LEft SAVE SET SHift SI SORT SOS STAck STATus TOP TRAnsfer Type Up \
";
let split = commands.split_ascii_whitespace();
let count_hashtable: HashMap<&str, usize> = split.map(|word| {
(word, word.chars().take_while(|c| c.is_ascii_uppercase()).count())
}).collect();
let line = "riG rePEAT copies put mo rest types fup. 6 poweRin";
let mut words_vec: Vec<String> = vec![];
for word in line.split_ascii_whitespace() {
let split = commands.split_ascii_whitespace();
let abbr = split.filter(|x| {
x.to_ascii_lowercase().starts_with(&word.to_ascii_lowercase()) &&
word.len() >= *count_hashtable.get(x).unwrap()
}).next();
words_vec.push(match abbr {
Some(word) => word.to_ascii_uppercase(),
None => String::from("*error*"),
});
}
let corrected_line = words_vec.join(" ");
println!("{}", corrected_line);
}