data TraceFrame

One frame of an error trace: the function containing the ?, its file and line.

Example:

oxl✓ checked in CI

@error data Boom {}

fn inner() -> () | Boom {
  fail Boom{}
}

fn outer() -> () | Boom {
  inner()?
}

fn main() io {
  match outer() {
    Boom b => {
      let f = b.trace()[0]
      print("{f.r#fn} {f.line > 0}")
    }
    _ => {}
  }
}

Output

outer true

pub(api) data TraceFrame

Since. 1.0.0-beta

Fields

`pub(api) r#fn: str`	Name of the function that contains the `?`.
`pub(api) file: str`	Source file.
`pub(api) line: i64`	Line of the `?`.

Defined in: std/core/types.oxl:981

data TraceFrame

Fields

See also