diff options
Diffstat (limited to 'lib/pure/json.nim')
| -rw-r--r-- | lib/pure/json.nim | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/pure/json.nim b/lib/pure/json.nim index 5be098664..b9da8a0dd 100644 --- a/lib/pure/json.nim +++ b/lib/pure/json.nim @@ -858,6 +858,14 @@ proc `{}`*(node: JsonNode, keys: varargs[string]): JsonNode = return nil result = result.fields.getOrDefault(key) +proc getOrDefault*(node: JsonNode, key: string): JsonNode = + ## Gets a field from a `node`. If `node` is nil or not an object or + ## value at `key` does not exist, returns nil + if not isNil(node) and node.kind == JObject: + result = node.fields.getOrDefault(key) + +template simpleGetOrDefault*{`{}`(node, [key])}(node: JsonNode, key: string): JsonNode = node.getOrDefault(key) + proc `{}=`*(node: JsonNode, keys: varargs[string], value: JsonNode) = ## Traverses the node and tries to set the value at the given location ## to ``value``. If any of the keys are missing, they are added. |