comm-central/third_party/rust/nom/src/sequence
Name Description Size
mod.rs Combinators applying parsers in sequence 8773
tests.rs FIXME: convert code examples to new error management use util::{add_error_pattern, error_to_list, print_error}; #[cfg(feature = "std")] #[rustfmt::skip] fn error_to_string<P: Clone + PartialEq>(e: &Context<P, u32>) -> &'static str { let v: Vec<(P, ErrorKind<u32>)> = error_to_list(e); // do it this way if you can use slice patterns //match &v[..] { // [ErrorKind::Custom(42), ErrorKind::Tag] => "missing `ijkl` tag", // [ErrorKind::Custom(42), ErrorKind::Custom(128), ErrorKind::Tag] => "missing `mnop` tag after `ijkl`", // _ => "unrecognized error" //} let collected: Vec<ErrorKind<u32>> = v.iter().map(|&(_, ref e)| e.clone()).collect(); if &collected[..] == [ErrorKind::Custom(42), ErrorKind::Tag] { "missing `ijkl` tag" } else if &collected[..] == [ErrorKind::Custom(42), ErrorKind::Custom(128), ErrorKind::Tag] { "missing `mnop` tag after `ijkl`" } else { "unrecognized error" } } // do it this way if you can use box patterns //use $crate::lib::std::str; //fn error_to_string(e:Err) -> String // match e { // NodePosition(ErrorKind::Custom(42), i1, box Position(ErrorKind::Tag, i2)) => { // format!("missing `ijkl` tag, found '{}' instead", str::from_utf8(i2).unwrap()) // }, // NodePosition(ErrorKind::Custom(42), i1, box NodePosition(ErrorKind::Custom(128), i2, box Position(ErrorKind::Tag, i3))) => { // format!("missing `mnop` tag after `ijkl`, found '{}' instead", str::from_utf8(i3).unwrap()) // }, // _ => "unrecognized error".to_string() // } //} 7785