Std.Io.withAppender
1 declaration
fn
withAppender: Str -> fn(Std.Io.Writer) -> Result[T, Std.Io.IoError] -> Result[T, Std.Io.IoError]This is a callable function.
What it does
Write after what the file already holds.
Read the signature
- The text after the name is the type checked by Pudu.
- Read arrows from left to right: inputs come first, and the final type is returned.
- Names inside [ ] are type arguments, such as the item type held by a collection.
- Result makes success and recoverable failure part of the function's type.