Take index into account for type assertions.
Take index into account for type assertions.

mdempsky/gocode,beni55/gocode,nsf/gocode,mattn/gocode,thousandhigh/gocode,mem/gocode,TheBB/gocode,thousandhigh/gocode,ghiden/gocode,fjl/gocode,suncycheng/gocode,kerr-huang/Gocode,kerr-huang/Gocode,MerlinDMC/gocode,syohex/gocode,syohex/gocode,artnez/gocode,mem/gocode,lmh008/gocode,suncycheng/gocode,TheBB/gocode,lmh008/gocode,ghiden/gocode,artnez/gocode,nsf/gocode,suncycheng/gocode,suncycheng/gocode,kerr-huang/Gocode,ghiden/gocode,lmh008/gocode,artnez/gocode,fjl/gocode,MerlinDMC/gocode,fjl/gocode,MerlinDMC/gocode,thousandhigh/gocode,mem/gocode,mdempsky/gocode,louiseGrandjonc/gocode,kerr-huang/Gocode,mem/gocode,syohex/gocode,louiseGrandjonc/gocode,lmh008/gocode,MerlinDMC/gocode,beni55/gocode,mattn/gocode,louiseGrandjonc/gocode,artnez/gocode,toqueteos/LightTable-Go,fjl/gocode,mattn/gocode,mdempsky/gocode,nsf/gocode,syohex/gocode,toqueteos/LightTable-Go,beni55/gocode,nsf/gocode,thousandhigh/gocode,beni55/gocode,mattn/gocode,louiseGrandjonc/gocode,TheBB/gocode,ghiden/gocode,TheBB/gocode