fix(portability): avoid using str::split_once

Sequoia wants Rust 1.48.0 and split_once is not in that version. We
can easily accommodate Sequoia's needs here with a simple change.

Sponsored-by: author

1 files changed, 3 insertions, 1 deletions

diff --git a/src/ast.rs b/src/ast.rs
index 6255fb5..7135f36 100644
--- a/src/ast.rs
+++ b/src/ast.rs
@@ -224,7 +224,9 @@ fn parse_code_block_attrs(attrs: &str) -> Attr {
                 id = x.to_string();
             } else if let Some(x) = word.strip_prefix('.') {
                 classes.push(x.to_string());
-            } else if let Some((k, v)) = word.split_once('=') {
+            } else if let Some(i) = word.find('=') {
+                let k = &word[..i];
+                let v = &word[i + 1..];
                 keyvalues.push((k.to_string(), v.to_string()));
             }
         }