method ErrorTrace.trace

The frames of the ? operators this error crossed, innermost first (empty in profiles built with trace = false).

Example:

@error data Boom {}

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

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

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

outer

fn trace() -> List<TraceFrame>

Complexity. O(depth).

Since. 1.0.0-beta

Returns

List<TraceFrame>

Effects

none declared (pure unless the body says otherwise)

Defined in: std/core/types.oxl:952