Add suggestion of similar macro names to `macro undefined` error message#30064

Merged

bors merged 4 commits intorust-lang:masterfrom

fhartwig:macro-suggestions

Nov 27, 2015

Commits on Nov 25, 2015

Commits on Nov 26, 2015

Add '!' to macro name suggestion, use fileline_help instead of span_help
fhartwig
committed

Commits on Nov 27, 2015

Introduce max_suggestion_distance function to avoid duplicating the heuristic
fhartwig
committed