Builtin Library
README.md
errors
Recent errors and warnings, newest first.
A snapshot: the same lines however many times it is called. That is the
difference from the problems tool in the debug toolbox, which drains — it
advances a read-cursor and reports only what has not been seen, so that one
answers "what is new" while this answers "what is there".
level defaults to warn, which includes errors. Takes the same filters as
search, origin, caller and context among them, so it narrows the same
ways, and returns the same fields. Its lines are always newest first and never
grouped, so order and group are refused rather than ignored.