jackfirth / resyntax / #398

94%

master: 94%

Pull #787

cover

Make syntax-remove-splice reject paths outside the syntax object

The path is now validated with syntax-contains-path? before the
empty-splice early return, so removing zero children at a nonexistent
path raises a contract error instead of silently returning the syntax
unchanged. This makes the grimoire's documented claim true.

syntax-apply-delta now skips the removal step for pure insertions,
since their start paths may point one past the end of the enclosing
form, which is a valid insertion point but not a removable child.

Also restores a closing brace that went missing from the in-syntax-paths
documentation entry and broke the docs build.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

214 of 218 new or added lines in 13 files covered. (98.17%)

15735 of 16769 relevant lines covered (93.83%)

0.94 hits per line