mirrors/Nim
1
0
Fork 0
mirror of https://github.com/nim-lang/Nim.git synced 2026-06-04 10:54:42 +00:00
Code Issues Packages Projects Releases Wiki Activity

Added json.getOrDefault along with {singleKey} tr optimization.

Browse Source
This commit is contained in:
Yuriy Glukhov
2016-04-05 22:55:00 +03:00
parent a3a0812c89
commit 181c834a93
1 changed files with 8 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
lib/pure/json.nim
View File

@@ -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.