diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/std/jsonutils.nim | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/lib/std/jsonutils.nim b/lib/std/jsonutils.nim index e33ae4401..60d78fea5 100644 --- a/lib/std/jsonutils.nim +++ b/lib/std/jsonutils.nim @@ -34,6 +34,23 @@ import macros from enumutils import symbolName from typetraits import OrdinalEnum +when not defined(nimFixedForwardGeneric): + # xxx remove pending csources_v1 update >= 1.2.0 + proc to[T](node: JsonNode, t: typedesc[T]): T = + when T is string: node.getStr + elif T is bool: node.getBool + else: static: doAssert false, $T # support as needed (only needed during bootstrap) + proc isNamedTuple(T: typedesc): bool = # old implementation + when T isnot tuple: result = false + else: + var t: T + for name, _ in t.fieldPairs: + when name == "Field0": return compiles(t.Field0) + else: return true + return false +else: + proc isNamedTuple(T: typedesc): bool {.magic: "TypeTrait".} + type Joptions* = object # xxx rename FromJsonOptions ## Options controlling the behavior of `fromJson`. @@ -61,7 +78,6 @@ proc initToJsonOptions*(): ToJsonOptions = ## initializes `ToJsonOptions` with sane options. ToJsonOptions(enumMode: joptEnumOrd, jsonNodeMode: joptJsonNodeAsRef) -proc isNamedTuple(T: typedesc): bool {.magic: "TypeTrait".} proc distinctBase(T: typedesc): typedesc {.magic: "TypeTrait".} template distinctBase[T](a: T): untyped = distinctBase(typeof(a))(a) |