On failure, it returns a standard POSIX error code (e.g., ENOENT for "No such file or directory").
check { // Code that might fail var fd = readFile ( "my_file.txt" ) } except { // This block executes if readFile() returns an error code // The error code is implicitly available in the `err` variable Posix .
write ( stdout , "Error reading file: " + err ) }Execution and Pipeline ModelSecure Process Execution with the Syscalls LibraryAll external commands are executed using the Process API.
i32 { // ... low-level POSIX call to open the file ... // Returns a file descriptor (i32) on success or an error code on failure. }
fn main () { check { var file_descriptor = open_or_fail ( "/etc/hosts" ) …
1 час назад @ github.com
infomate
