YamlWarningCallback typedef

YamlWarningCallback = void Function(String message, [SourceSpan? span])

A callback for emitting a warning.

message is the text of the warning. If span is passed, it's the portion of the document that the warning is associated with and should be included in the printed warning.

Implementation

typedef YamlWarningCallback = void Function(String message, [SourceSpan? span]);