# throw Throw an error, triggering the nearest `try` catch handler. ## Syntax 
[throw $msg]
## Examples 
try {
    if ($x < 0) { [throw "x must be non-negative"] }
    [do-work $x]
} catch { $err |
    echo "caught:" $err
}
## Returns Does not return — control jumps to the enclosing `catch`. ## See Also `try`, `err`, `ok`, `unwrap`
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