Added new snippets to json file.

UltiSnips/json.snippets

@@ -4,7 +4,7 @@ snippet s "String" b
 "${1:key}": "${0:value}",
 endsnippet
 
-snippet n "number" b
+snippet n "Number" b
 "${1:key}": ${0:value},
 endsnippet
 
@@ -13,8 +13,39 @@ snippet a "Array" b
 	${VISUAL}$0
 ],
 endsnippet
+
+snippet na "Named array" b
+"${1:key}": [
+	${VISUAL}$0
+],
+endsnippet
+
 snippet o "Object" b
 {
 	${VISUAL}$0
 },
 endsnippet
+
+snippet no "Named object" b
+"${1:key}": {
+	${VISUAL}$0
+},
+endsnippet
+
+snippet null "Null" b
+"${0:key}": null,
+endsnippet
+
+
+global !p
+def compB(t, opts):
+	if t:
+		opts = [m[len(t):] for m in opts if m.startswith(t)]
+	if len(opts) == 1:
+		return opts[0]
+	return "(" + '|'.join(opts) + ')'
+endglobal
+
+snippet b "Bool" b
+"${1:key}": $2`!p snip.rv=compB(t[2], ['true', 'false'])`,
+endsnippet