[−][src]Crate position
position
provides a Position
struct, representing a source code position,
as well as a convenient here!()
macro for creating a position corresponding
to the location where here!()
was invoked:
use position::{here, Position}; let p: Position = here!(); assert_eq!(p.file(), "src/lib.rs"); assert_eq!(p.line(), 5); assert_eq!(p.column(), 19); assert_eq!(p.module_path(), "rust_out"); assert_eq!(p.to_string(), "src/lib.rs:5:19");
If position
is compiled with the location
feature, on by default, Position
implements oi::Location
, so it can be used with oi::ErrAt::err_at
:
use std::{io, fs::File}; use oi::ErrAt; use position::{here, Position}; let result: oi::Result<File, io::Error, Position> = File::open("foo.txt").err_at(here!()); assert_eq!( result.unwrap_err().to_string(), "src/lib.rs:11:32: No such file or directory (os error 2)", );
Macros
here | Macro returning |
Structs
Position | Source code position |