can use getnumber instead of casting

activity.go

@@ -830,8 +830,8 @@ func xonksaver(user *WhatAbout, item junk.Junk, origin string) *Honk {
 				if tt == "Place" {
 					p := new(Place)
 					p.Name = name
-					p.Latitude, _ = tag["latitude"].(float64)
-					p.Longitude, _ = tag["longitude"].(float64)
+					p.Latitude, _ = tag.GetNumber("latitude")
+					p.Longitude, _ = tag.GetNumber("longitude")
 					p.Url, _ = tag.GetString("url")
 					xonk.Place = p
 				}
@@ -861,8 +861,8 @@ func xonksaver(user *WhatAbout, item junk.Junk, origin string) *Honk {
 				if tt, _ := loca.GetString("type"); tt == "Place" {
 					p := new(Place)
 					p.Name, _ = loca.GetString("name")
-					p.Latitude, _ = loca["latitude"].(float64)
-					p.Longitude, _ = loca["longitude"].(float64)
+					p.Latitude, _ = loca.GetNumber("latitude")
+					p.Longitude, _ = loca.GetNumber("longitude")
 					p.Url, _ = loca.GetString("url")
 					xonk.Place = p
 				}

go.mod

@@ -9,5 +9,5 @@ require (
 	golang.org/x/crypto v0.0.0-20190621222207-cc06ce4a13d4
 	golang.org/x/net v0.0.0-20190620200207-3b0461eec859
 	humungus.tedunangst.com/r/go-sqlite3 v1.1.3
-	humungus.tedunangst.com/r/webs v0.6.43
+	humungus.tedunangst.com/r/webs v0.6.44
 )

go.sum

@@ -24,3 +24,5 @@ humungus.tedunangst.com/r/go-sqlite3 v1.1.3 h1:G2N4wzDS0NbuvrZtQJhh4F+3X+s7BF8b9
 humungus.tedunangst.com/r/go-sqlite3 v1.1.3/go.mod h1:FtEEmQM7U2Ey1TuEEOyY1BmphTZnmiEjPsNLEAkpf/M=
 humungus.tedunangst.com/r/webs v0.6.43 h1:V7tmvzXi/LETO2QfHyqvIivi1kbjRSHQoDFcR3hML+k=
 humungus.tedunangst.com/r/webs v0.6.43/go.mod h1:S9sXpVSbgAIa24yYhnMN0C94LKHG+2rioS+NsiDimps=
+humungus.tedunangst.com/r/webs v0.6.44 h1:Y/Glxq/j8/AUXHl3cD82GbQ+6Cz3Y3CtvWsi/001w4Q=
+humungus.tedunangst.com/r/webs v0.6.44/go.mod h1:S9sXpVSbgAIa24yYhnMN0C94LKHG+2rioS+NsiDimps=