1 files changed, 0 insertions, 25 deletions
diff --git a/src/prelude.rs b/src/prelude.rs
index 214b00c8..7dd6be30 100644
--- a/src/prelude.rs
+++ b/src/prelude.rs
@@ -10,28 +10,3 @@ pub use crate::syntax::span::{Pos, Span, SpanVec, Spanned};
 pub use crate::syntax::tree::*;
 pub use crate::{Pass, Feedback};
 pub use super::*;
-
-/// Extra methods on `Option`s used for function argument parsing.
-pub trait OptionExt<T>: Sized {
-    /// Call `f` with `val` if this is `Some(val)`.
-    fn with(self, f: impl FnOnce(T));
-
-    /// Report an error about a missing argument with the given name and span if
-    /// the option is `None`.
-    fn or_missing(self, span: Span, arg: &str, f: &mut Feedback) -> Self;
-}
-
-impl<T> OptionExt<T> for Option<T> {
-    fn with(self, f: impl FnOnce(T)) {
-        if let Some(val) = self {
-            f(val);
-        }
-    }
-
-    fn or_missing(self, span: Span, arg: &str, f: &mut Feedback) -> Self {
-        if self.is_none() {
-            error!(@f, span, "missing argument: {}", arg);
-        }
-        self
-    }
-}