feat! don't allow indented scenario steps

Some day we will have syntax for continuing a step to the next line.
This change makes it easier to introduce that syntax, without a
breaking change.

Sponsored-by: author

1 files changed, 4 insertions, 0 deletions

diff --git a/src/error.rs b/src/error.rs
index db85e83..93a828a 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -10,6 +10,10 @@ use thiserror::Error;
 /// Define all the kinds of errors any part of this crate can return.
 #[derive(Debug, Error)]
 pub enum SubplotError {
+    /// Scenario step does not start at the beginning of the line.
+    #[error("Scenario step is indented: {0}")]
+    NotAtBoln(String),
+
     /// Document has non-fatal errors.
     #[error("Document has {0} warnings.")]
     Warnings(usize),