pub fn with_boundary(boundary: &'static str) -> Self {
        debug_assert!(boundary.is_ascii());

        Self {
            boundary,
            storage: BytesWriter::new()
        }
    }
///Creates new instance with provided boundary.
///
///# Panic
///
///In debug builds, it asserts whether string contains only ASCII characters or not.
Creates new instance with provided boundary.
Creates new instance with provided boundary .
pub fn with_boundary(boundary: &'static str) -> Self {
        debug_assert!(boundary.is_ascii());
        Self {
            boundary,
            storage: BytesWriter::new()
        }
    }
pub fn with_boundary ( boundary : & ' static str ) -> Self { debug_assert ! ( boundary is_ascii ( ) ) ; Self { boundary , storage : BytesWriter :: new ( ) } }
Creates new instance with provided boundary.
Creates new instance with provided boundary .
boundary
&'static str
panic
In debug builds, it asserts whether string contains only ASCII characters or not.
In debug builds it asserts whether string contains only ASCII characters or not .