Move Level into the crate root

askama_parser/src/expr.rs

@@ -10,7 +10,7 @@ use nom::sequence::{pair, preceded, terminated, tuple};
 use nom::{error_position, IResult};
 
 use super::{
-    char_lit, identifier, not_ws, num_lit, path_or_identifier, str_lit, ws, PathOrIdentifier,
+    char_lit, identifier, not_ws, num_lit, path_or_identifier, str_lit, ws, Level, PathOrIdentifier,
 };
 
 macro_rules! expr_prec_layer {
@@ -363,18 +363,3 @@ impl<'a> Suffix<'a> {
         map(preceded(take_till(not_ws), char('?')), |_| Self::Try)(i)
     }
 }
-
-#[derive(Clone, Copy, Default)]
-pub(crate) struct Level(u8);
-
-impl Level {
-    fn nest(self, i: &str) -> Result<Level, nom::Err<nom::error::Error<&str>>> {
-        if self.0 >= Self::MAX_EXPR_DEPTH {
-            return Err(nom::Err::Failure(error_position!(i, ErrorKind::TooLarge)));
-        }
-
-        Ok(Level(self.0 + 1))
-    }
-
-    const MAX_EXPR_DEPTH: u8 = 64;
-}

askama_parser/src/lib.rs

@@ -324,3 +324,18 @@ impl Default for Syntax<'static> {
         }
     }
 }
+
+#[derive(Clone, Copy, Default)]
+pub(crate) struct Level(u8);
+
+impl Level {
+    fn nest(self, i: &str) -> Result<Level, nom::Err<nom::error::Error<&str>>> {
+        if self.0 >= Self::MAX_DEPTH {
+            return Err(nom::Err::Failure(error_position!(i, ErrorKind::TooLarge)));
+        }
+
+        Ok(Level(self.0 + 1))
+    }
+
+    const MAX_DEPTH: u8 = 64;
+}

askama_parser/src/node.rs

@@ -13,9 +13,8 @@ use nom::{error_position, IResult};
 
 use super::{
     bool_lit, char_lit, identifier, is_ws, keyword, num_lit, path_or_identifier, skip_till,
-    str_lit, ws, Expr, PathOrIdentifier, State,
+    str_lit, ws, Expr, Level, PathOrIdentifier, State,
 };
-use crate::expr::Level;
 
 #[derive(Debug, PartialEq)]
 pub enum Node<'a> {