From 780e3e546581dd4a46b887310a665eea06f3279a Mon Sep 17 00:00:00 2001 From: Ophestra Date: Sun, 31 Aug 2025 11:57:59 +0900 Subject: container/msg: optionally provide error messages This makes handling of fatal errors a lot less squirmy. Signed-off-by: Ophestra --- container/msg.go | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) (limited to 'container/msg.go') diff --git a/container/msg.go b/container/msg.go index 40f0bd4a..4be0fd2d 100644 --- a/container/msg.go +++ b/container/msg.go @@ -1,10 +1,28 @@ package container import ( + "errors" "log" "sync/atomic" ) +// MessageError is an error with a user-facing message. +type MessageError interface { + // Message returns a user-facing error message. + Message() string + + error +} + +// GetErrorMessage returns whether an error implements [MessageError], and the message if it does. +func GetErrorMessage(err error) (string, bool) { + var e MessageError + if !errors.As(err, &e) || e == nil { + return zeroString, false + } + return e.Message(), true +} + type Msg interface { IsVerbose() bool Verbose(v ...any) -- cgit v1.3.1