Must traps errors and returns the remaining results to the caller.

Print print error to the stderr in red.

Printf print a message to the stderr in red.

Raise issues a panic with a formated message representing a managed error.

Trap catches any panic exception, and converts it to error.

TemplateNotFoundError is returned when a template does not exist.

Array represent an array of error.

Managed indicates an error that is properly handled (no need to print out stack).