Method unique_isa

cranelift/reader/src/isaspec.rs:27–34

If the `IsaSpec` contains exactly 1 `TargetIsa` we return a reference to it

(&self)

impl IsaSpec {
    /// If the `IsaSpec` contains exactly 1 `TargetIsa` we return a reference to it
    pub fn unique_isa(&self) -> Option<&dyn TargetIsa> {
        if let Self::Some(ref isa_vec) = *self {
            if isa_vec.len() == 1 {
                return Some(&*isa_vec[0]);
            }
        }
        None
    }
}

/// An error type returned by `parse_options`.