diff options
Diffstat (limited to 'src/lib.rs')
| -rw-r--r-- | src/lib.rs | 90 |
1 files changed, 89 insertions, 1 deletions
@@ -103,16 +103,104 @@ //! # } //! ``` //! +//! * Transforming oks +//! +//! ``` +//! # fn main() { +//! use std::str::FromStr; +//! use resiter::map_x::*; +//! +//! let doubles = ["1", "2", "foo", "4", "5"] +//! .into_iter() +//! .map(|e| usize::from_str(e)) +//! .map_ok(|i| 2*i) +//! .collect::<Vec<_>>(); +//! assert_eq!(doubles[0], Ok(2)); +//! assert_eq!(doubles[1], Ok(4)); +//! # } +//! ``` +//! +//! * Transforming errors +//! +//! ``` +//! # fn main() { +//! use std::str::FromStr; +//! use resiter::map_x::*; +//! +//! let doubles = ["1", "2", "foo", "4", "5"] +//! .into_iter() +//! .map(|e| usize::from_str(e)) +//! .map_err(|e| format!("{:?}", e)) +//! .collect::<Vec<_>>(); +//! assert_eq!(doubles[2], Err("ParseIntError { kind: InvalidDigit }".to_string())); +//! # } +//! ``` +//! +//! * Filtering oks (leaving errors as is) +//! +//! ``` +//! # fn main() { +//! use std::str::FromStr; +//! use resiter::filter_x::*; +//! +//! let doubles = ["1", "2", "foo", "4", "5"] +//! .into_iter() +//! .map(|e| usize::from_str(e)) +//! .filter_ok(|i| i%2 == 0) +//! .collect::<Vec<_>>(); +//! assert_eq!(doubles.len(), 3); +//! assert_eq!(doubles[0], Ok(2)); +//! # } +//! ``` +//! +//! * Filtering errors (leaving oks as is) +//! +//! ``` +//! # fn main() { +//! use std::str::FromStr; +//! use resiter::filter_x::*; +//! +//! let doubles = ["1", "2", "foo", "4", "5"] +//! .into_iter() +//! .map(|e| usize::from_str(e)) +//! .filter_err(|_| false) // filter out all errors +//! .collect::<Vec<_>>(); +//! assert_eq!(doubles.len(), 4); +//! assert_eq!(doubles[2], Ok(4)); +//! # } +//! ``` +//! +//! * Stopping the iteration on the first error +//! +//! ``` +//! # fn main() -> () { +//! use std::str::FromStr; +//! use resiter::while_ok::*; +//! +//! let res = ["1", "2", "foo", "4", "5"] +//! .into_iter() +//! .map(|e| usize::from_str(e)) +//! .while_ok(|i| { +//! println!("{} is a usize", i); +//! }); +//! if res.is_err() { +//! println!("An error occured"); +//! } +//! # } +//! ``` +//! //! # License //! //! MPL 2.0 //! pub mod errors; +pub mod filter_x; +pub mod map_x; pub mod oks; pub mod onerr; pub mod onok; pub mod prelude; pub mod unwrap; mod util; - +pub mod while_ok; |