_throw_err

flux_macros::diagnostics::error

Function _throw_err 

Source 
pub(crate) fn _throw_err(
    diag: Diagnostic,
    f: impl FnOnce(Diagnostic) -> Diagnostic,
) -> DiagnosticDeriveError
Expand description

Helper function for use with throw_* macros - constraints $f to an impl FnOnce.