Struct IoRuntime 

pub struct IoRuntime { /* private fields */ }

The main I/O runtime that executes IO actions.

Implementations

impl IoRuntime

pub fn new() -> Self

Create a new I/O runtime.

pub fn sandboxed() -> Self

Create a sandboxed I/O runtime (no real I/O).

pub fn enable_capture(&mut self)

Enable output capturing.

pub fn captured_output(&self) -> Option<&[String]>

Get captured output.

pub fn push_input(&mut self, input: String)

Push input for mocking.

pub fn set_args(&mut self, args: Vec<String>)

Set command-line arguments.

pub fn set_env(&mut self, key: String, value: String)

Set an environment variable.

pub fn exec_println(&mut self, s: &str) -> IoResult<()>

Execute a println operation.

pub fn exec_print(&mut self, s: &str) -> IoResult<()>

Execute a print operation.

pub fn exec_get_line(&mut self) -> IoResult<String>

Execute a getLine operation.

pub fn exec_read_file(&mut self, path: &str) -> IoResult<String>

Execute a file read operation.

pub fn exec_write_file(&mut self, path: &str, contents: &str) -> IoResult<()>

Execute a file write operation.

pub fn new_ref(&mut self, value: RtObject) -> u64

Create a new mutable reference.

pub fn read_ref(&mut self, id: u64) -> IoResult<RtObject>

Read a mutable reference.

pub fn write_ref(&mut self, id: u64, value: RtObject) -> IoResult<()>

Write to a mutable reference.

pub fn modify_ref( &mut self, id: u64, f: impl FnOnce(RtObject) -> RtObject, ) -> IoResult<()>

Modify a mutable reference with a function.

pub fn get_env_var(&self, key: &str) -> Option<String>

Get an environment variable.

pub fn get_args(&self) -> &[String]

Get the command-line arguments.

pub fn get_time_nanos(&self) -> IoResult<u64>

Get the current time as nanoseconds since epoch.

pub fn stats(&self) -> &IoStats

Get the statistics.

pub fn is_enabled(&self) -> bool

Check if I/O is enabled.

pub fn set_enabled(&mut self, enabled: bool)

Enable or disable I/O.

pub fn reset(&mut self)

Reset the runtime state.

Trait Implementations

impl Debug for IoRuntime

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for IoRuntime

fn default() -> Self

Returns the “default value” for a type.