func (p *printer) funcDecl(d *ast.FuncDecl) {
p.setComment(d.Doc)
p.print(d.Pos(), token.FUNC, blank)
if d.Recv != nil {
p.parameters(d.Recv) // method: print receiver
p.print(blank)
}
p.expr(d.Name)
p.signature(d.Type.Params, d.Type.Results)
p.adjBlock(p.distanceFrom(d.Pos()), vtab, d.Body)
}