>> diff --git a/userdiff.c b/userdiff.c >> @@ -38,6 +38,15 @@ IPATTERN("fortran", >> +PATTERNS("golang", >> + /* Functions */ >> + "^[ \t]*(func[ \t]*.*(\\{[ \t]*)?)\n" > > Why is the brace (and possible following whitespace) optional? > Considering that the language demands that the brace be on the same > line, I'd think the brace should be mandatory. > I did this to support non-standard formatting. It's a niche case though, maybe we could only support the standard formatting and modify the doc to reflect this change. > I suppose you made whitespace after 'func' optional to be able to > recognize a method (which hasn't been gofmt'd): > > func(x *X) name { > > rather than the more typical: > > func (x *X) name { > > I wonder if it would make sense to tighten the expression to recognize > functions and methods as distinct cases: > > function: mandatory whitespace following 'func' > method: optional whitespace but mandatory '(' following 'func' > > Your current expression could accidentally match: > > /* > Fish like to have > functors for lunch { > just like eels}. > */ > > but, even the suggested tighter expression could "accidentally" match > example code in a comment block anyhow, so I guess it probably doesn't > matter much in practice. > Same as before, I did this to support non-standard formatting.