Method is_argless

core/src/callable.rs:704–706

(&self)

    /// Returns true if this is a callable that takes no arguments.
    #[allow(unused)]
    pub fn is_argless(&self) -> bool {
        self.syntaxes.is_empty() || (self.syntaxes.len() == 1 && self.syntaxes[0].is_empty())
    }

    /// Returns true if this callable is a function (not a command).
    #[allow(unused)]