Various progress, doesnt compile

Added prelude, made lambdas a single-token prefix like NS, made progress on implementations, removed const line type

orchid-base/src/name.rs

@@ -272,34 +272,34 @@ pub trait NameLike:
 	/// Convert into held slice
 	fn as_slice(&self) -> &[Tok<String>] { Borrow::<[Tok<String>]>::borrow(self) }
 	/// Get iterator over tokens
-	fn iter(&self) -> impl NameIter + '_ { self.as_slice().iter().cloned() }
+	fn segs(&self) -> impl NameIter + '_ { self.as_slice().iter().cloned() }
 	/// Get iterator over string segments
 	fn str_iter(&self) -> impl Iterator<Item = &'_ str> + '_ {
 		self.as_slice().iter().map(|t| t.as_str())
 	}
 	/// Fully resolve the name for printing
 	#[must_use]
-	fn to_strv(&self) -> Vec<String> { self.iter().map(|s| s.to_string()).collect() }
+	fn to_strv(&self) -> Vec<String> { self.segs().map(|s| s.to_string()).collect() }
 	/// Format the name as an approximate filename
-	fn as_src_path(&self) -> String { format!("{}.orc", self.iter().join("/")) }
+	fn as_src_path(&self) -> String { format!("{}.orc", self.segs().join("/")) }
 	/// Return the number of segments in the name
-	fn len(&self) -> NonZeroUsize {
-		NonZeroUsize::try_from(self.iter().count()).expect("NameLike never empty")
+	fn len_nz(&self) -> NonZeroUsize {
+		NonZeroUsize::try_from(self.segs().count()).expect("NameLike never empty")
 	}
 	/// Like slice's `split_first` except we know that it always returns Some
-	fn split_first(&self) -> (Tok<String>, &[Tok<String>]) {
+	fn split_first_seg(&self) -> (Tok<String>, &[Tok<String>]) {
 		let (foot, torso) = self.as_slice().split_last().expect("NameLike never empty");
 		(foot.clone(), torso)
 	}
 	/// Like slice's `split_last` except we know that it always returns Some
-	fn split_last(&self) -> (Tok<String>, &[Tok<String>]) {
+	fn split_last_seg(&self) -> (Tok<String>, &[Tok<String>]) {
 		let (foot, torso) = self.as_slice().split_last().expect("NameLike never empty");
 		(foot.clone(), torso)
 	}
 	/// Get the first element
-	fn first(&self) -> Tok<String> { self.split_first().0 }
+	fn first_seg(&self) -> Tok<String> { self.split_first_seg().0 }
 	/// Get the last element
-	fn last(&self) -> Tok<String> { self.split_last().0 }
+	fn last_seg(&self) -> Tok<String> { self.split_last_seg().0 }
 }
 
 impl NameLike for Sym {}