Struct Writer 

pub struct Writer<W: Write> { /* private fields */ }

Writes a MIME multipart body. Port of Go’s multipart.NewWriter.

Implementations

impl<W: Write> Writer<W>

pub fn new(inner: W) -> Self

pub fn boundary(&self) -> &str

pub fn form_data_content_type(&self) -> String

The Content-Type value for the overall multipart body.

pub fn create_part(&mut self, header: Header) -> Result<PartWriter<'_, W>>

Create a new part with the given MIME headers.

pub fn create_form_field( &mut self, fieldname: &str, ) -> Result<PartWriter<'_, W>>

Convenience: create a plain form field part.

pub fn create_form_file( &mut self, fieldname: &str, filename: &str, ) -> Result<PartWriter<'_, W>>

Convenience: create a file upload part.

pub fn close(self) -> Result<W>

Write the closing boundary and flush.