io

io

I/O builtin namespace.

Runtime support: native runtimes.

Import

use io;

Function	Description
`open`	Opens a file handle for runtime I/O.
`popen`	Starts a child process and returns a process-backed handle.
`read_all`	Reads all remaining text from an I/O handle.
`read_line`	Reads a single line of text from an I/O handle.
`write`	Writes text to an I/O handle.
`flush`	Flushes buffered output for an I/O handle.
`close`	Closes an I/O handle.
`exists`	Returns whether a file system path exists.

fn open(path: string, mode: string) -> int

Opens a file handle for runtime I/O.

fn popen(command: string, mode: string) -> int

Starts a child process and returns a process-backed handle.

fn read_all(handle_id: int) -> string

Reads all remaining text from an I/O handle.

fn read_line(handle_id: int) -> string

Reads a single line of text from an I/O handle.

fn write(handle_id: int, text: string) -> int

Writes text to an I/O handle.

fn flush(handle_id: int) -> bool

Flushes buffered output for an I/O handle.

fn close(handle_id: int) -> bool

Closes an I/O handle.

fn exists(path: string) -> bool

Returns whether a file system path exists.