Method as_value

cranelift/codegen/src/ir/instructions.rs:248–253

Return this argument as a `Value`, if it is one, or `None` otherwise.

(&self)

    /// Return this argument as a `Value`, if it is one, or `None`
    /// otherwise.
    pub fn as_value(&self) -> Option<Value> {
        match *self {
            BlockArg::Value(v) => Some(v),
            _ => None,
        }
    }

    /// Update the contained value, if any.
    pub fn map_value<F: FnMut(Value) -> Value>(&self, mut f: F) -> Self {