Macro resvg::try_opt_warn_or[−][src]

macro_rules! try_opt_warn_or {
    ($task : expr, $ret : expr, $msg : expr) => { ... };
    ($task : expr, $ret : expr, $fmt : expr, $($arg : tt) *) => { ... };
}

Expand description

Unwraps Option and invokes return $ret on None with a warning.