Errno

Native Rust implementation built into the interpreter. Runtime: P5. See original documentation for the full Perl reference.

Functions

exists

exists $!{ENOENT}: check if name is a known errno constant.

fetch

$!{ENOENT}: return true if current errno matches the named constant,

false otherwise. Mirrors perl5 Errno.pm: sub FETCH { $!+0 == $Errno{$_[1]} }.

firstkey

return the first errno constant name for hash iteration.

import

no-op stub. Constants are handled at compile time.

nextkey

return the next errno constant name after the given key.

tiehash

return the class name as a blessed ref stub.