Struct wasi_common::fs::OpenOptions

pub struct OpenOptions { /* fields omitted */ }

Options and flags which can be used to configure how a file is opened.

This corresponds to std::fs::OpenOptions.

Note that this OpenOptions has no open method. To open a file with an OptionOptions, you must first obtain a Dir containing the file, and then call Dir::open_file_with.

Methods

impl OpenOptions

pub fn new() -> Self

Creates a blank new set of options ready for configuration.

This corresponds to std::fs::OpenOptions::new.

pub fn read(&mut self, read: bool) -> &mut Self

Sets the option for read access.

This corresponds to std::fs::OpenOptions::read.

pub fn write(&mut self, write: bool) -> &mut Self

Sets the option for write access.

This corresponds to std::fs::OpenOptions::write.

pub fn append(&mut self, append: bool) -> &mut Self

Sets the option for the append mode.

This corresponds to std::fs::OpenOptions::append.

pub fn truncate(&mut self, truncate: bool) -> &mut Self

Sets the option for truncating a previous file.

This corresponds to std::fs::OpenOptions::truncate.

pub fn create(&mut self, create: bool) -> &mut Self

Sets the option to create a new file.

This corresponds to std::fs::OpenOptions::create.

pub fn create_new(&mut self, create_new: bool) -> &mut Self

Sets the option to always create a new file.

This corresponds to std::fs::OpenOptions::create_new.