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...assert_eq!(Adler32::from_buf(&decompressed).finish(), checksum.unwrap()); // Verify that the decompressed data matches the original. assert_eq!(data, &decompressed[..]); For detail on more advanced usage, see the full API documentation . License Licensed under either of Apache License, Version 2.0 ( LICENSE-APACHE or http://www.apache.org/licenses...
...extern crate libudev; fn main() { let context = libudev::Context::new().unwrap(); let mut enumerator = libudev::Enumerator::new(&context).unwrap(); enumerator.match_subsystem("tty").unwrap(); for device in enumerator.scan_devices().unwrap() { println!("found device: {:?}", device.syspath()); } } License Copyright © 2015 David Cuddeback Distributed under the MIT License .
...fn eval(e: &Expr) -> i64 { e.collapse_frames(|frame| match frame { ExprFrame::Add(a, b) => a + b, ExprFrame::Sub(a, b) => a - b, ExprFrame::Mul(a, b) => a * b, ExprFrame::LiteralInt(x) => x, }) } let expr = multiply(subtract(literal(1), literal(2)), literal(3)); assert_eq!(eval(&expr), -3); Here's...
...use srcsrv::{SrcSrvStream, SourceRetrievalMethod}; if let Ok(srcsrv_stream) = pdb.named_stream(b"srcsrv") { let stream = SrcSrvStream::parse(srcsrv_stream.as_slice())?; let url = match stream.source_for_path( r#"C:\build\renderdoc\renderdoc\data\glsl\gl_texsample.h"#, r#"C:\Debugger\Cached Sources"#, )? { SourceRetrievalMethod::Download { url } => Some(url), _ => None...
...Features Generates efficient data parsers and serialisers for structs and enums using #[derive] Reads and writes data from any source using standard io::Read and io::Write streams Directives in attributes handle common binary parsing tasks like matching magic numbers, byte ordering, padding & alignment, data validation, and more Includes reusable...
...While checks are all tested // and must all succeed, allow/deny policies are tried one by one in order, // and we stop verification on the first that matches // // here we will check that the token has the corresponding right allow if right("/a/file1.txt", "read"); // explicit catch-all deny...
...writer.push(i).is_some() { // The ringbuffer is full, yield the thread std::thread::yield_now(); } }); // Loop that pulls elements from the ringbuffer loop { match reader.pull() { // We have got an element, do something Some(t) => std::hint::blackbox(t), // The ringbuffer is empty, yield the thread None => std::thread...
...Py_ssize_t, ) -> *mut PyObject { if nargs != 2 { PyErr_SetString( PyExc_TypeError, c"sum_as_string expected 2 positional arguments".as_ptr(), ); return std::ptr::null_mut(); } let (first, second) = (*args, *args.add(1)); let first = match parse_arg_as_i32(first, 1) { Some(x) => x, None => return std::ptr...
...Therefore, all events can be handled in a single match expression. Many functions (such as wait_for_event ) return a xcb::Result which allows idiomatic error handling. fn main() -> xcb::Result<()> { // ... loop { match conn.wait_for_event()? { xcb::Event::X(x::Event::KeyPress(key_press)) => { // do stuff } xcb::Event::Xkb...
...proc_macro::TokenStream) -> proc_macro::TokenStream { match my_macro(tokens.into()) { Ok(tokens) => tokens.into(), Err(diag) => diag.emit_as_expr_tokens().into() } } This does the right thing on nightly or stable. Caveats On stable, due to limitations, any top-level, non-error diagnostics are emitted as errors. This will...
...for inner_pair in pair.into_inner() { match inner_pair.as_rule() { Rule::alpha => println!("Letter: {}", inner_pair.as_str()), Rule::digit => println!("Digit: {}", inner_pair.as_str()), _ => unreachable!() }; } } } This produces the following output: Rule: ident Span: Span { start: 0, end: 2 } Text: a1 Letter: a Digit: 1 Rule: ident...
...for inner_pair in pair.into_inner() { match inner_pair.as_rule() { Rule::alpha => println!("Letter: {}", inner_pair.as_str()), Rule::digit => println!("Digit: {}", inner_pair.as_str()), _ => unreachable!() }; } } } This produces the following output: Rule: ident Span: Span { start: 0, end: 2 } Text: a1 Letter: a Digit: 1 Rule: ident...
...for inner_pair in pair.into_inner() { match inner_pair.as_rule() { Rule::alpha => println!("Letter: {}", inner_pair.as_str()), Rule::digit => println!("Digit: {}", inner_pair.as_str()), _ => unreachable!() }; } } } This produces the following output: Rule: ident Span: Span { start: 0, end: 2 } Text: a1 Letter: a Digit: 1 Rule: ident...
...for inner_pair in pair.into_inner() { match inner_pair.as_rule() { Rule::alpha => println!("Letter: {}", inner_pair.as_str()), Rule::digit => println!("Digit: {}", inner_pair.as_str()), _ => unreachable!() }; } } } This produces the following output: Rule: ident Span: Span { start: 0, end: 2 } Text: a1 Letter: a Digit: 1 Rule: ident...
...Serialize/Deserialize a map while preserving order The aim is to match the standard library HashMap/Set with additional LinkedList style methods and ordered-iterators. Changelog Features serde - Enable serde Serialization and Deserialization Usage use ordered_hash_map::OrderedHashMap; fn main() { let mut map = OrderedHashMap::new(); map.insert("apple", 5...
...Print image dimensions use jfifdump::{Reader, SegmentKind, JfifError}; use std::fs::File; use std::io::BufReader; fn main() -> Result<(), JfifError> { let file = File::open("some.jpeg")?; let mut reader = Reader::new(BufReader::new(file))?; loop { match reader.next_segment()?.kind { SegmentKind::Eoi => break, SegmentKind::Frame(frame) => { println!("{}x{}", frame.dimension...
...enum Fruit { Apple, Bramble(BrambleFruit), Pear, } trait NameOf { fn name_of(&self) -> &str; } impl NameOf for Fruit { fn name_of(&self) -> &str { match self { Fruit::Apple => "apple", Fruit::Bramble(fruit) => fruit.name_of(), Fruit::Pear => "pear", } } } enum BrambleFruit { Blackberry, } impl NameOf for BrambleFruit { fn name_of(&self) -> &str { match self...
...foundationdb::Database::default()?; // write a value in a retryable closure match db .run(|trx, _maybe_committed| async move { trx.set(b"hello", b"world"); Ok(()) }) .await { Ok(_) => println!("transaction committed"), Err(_) => eprintln!("cannot commit transaction"), }; // read a value match db .run(|trx, _maybe_committed| async move { Ok(trx.get(b...
...Browsers send preflight OPTIONS requests before the real request, and those preflight requests may not match any router branch. use salvo::cors::Cors; use salvo::http::Method; use salvo::prelude::*; #[handler] async fn hello() -> &'static str { "Hello World" } #[tokio::main] async fn main() { let cors = Cors::new() .allow_origin("https...
...Basic selector matching (including child and descendents, classes and element types). Attribute selectors including [foo] and [foo="bar"] nth-child pseudo-class. CSS colors ( color / background-color ) will add Coloured(...) / BgColoured(...) nodes to the render tree. Rules with display: none will cause matching elements to be removed from the render...
"My Rust memoirs will be called "Once in 'a lifetime"."